diff --git a/src/azul/plugins/metadata/anvil/__init__.py b/src/azul/plugins/metadata/anvil/__init__.py
index a1487bdabe..5892eccacb 100644
--- a/src/azul/plugins/metadata/anvil/__init__.py
+++ b/src/azul/plugins/metadata/anvil/__init__.py
@@ -160,7 +160,7 @@ def _field_mapping(self) -> MetadataPlugin._FieldMapping:
                     # These field names are hard-coded in the implementation of
                     # the repository service/controller.
                     **{
-                        'byte_size': 'size',
+                        'file_size': 'size',
                         # Not in schema
                         'version': 'fileVersion',
                         'uuid': 'fileId',
diff --git a/src/azul/plugins/metadata/anvil/indexer/transform.py b/src/azul/plugins/metadata/anvil/indexer/transform.py
index 0049ed8654..4ad660a15c 100644
--- a/src/azul/plugins/metadata/anvil/indexer/transform.py
+++ b/src/azul/plugins/metadata/anvil/indexer/transform.py
@@ -241,7 +241,7 @@ def _file_types(cls) -> FieldTypes:
             'file_id': null_str,
             'data_modality': [null_str],
             'file_format': null_str,
-            'byte_size': null_int,
+            'file_size': null_int,
             'reference_assembly': [null_str],
             # Not in schema
             'version': null_str,
@@ -343,7 +343,7 @@ def _file(self, manifest_entry: JSON) -> MutableJSON:
         metadata = self.bundle.metadata_files[manifest_entry['name']]
         return self._entity(manifest_entry,
                             self._file_types(),
-                            size=metadata['byte_size'])
+                            size=metadata['file_size'])
 
     def _only_dataset(self) -> MutableJSON:
         return self._dataset(self._entries_by_entity_id[one(self._entities_by_type['dataset'])])
diff --git a/src/azul/plugins/repository/tdr_anvil/__init__.py b/src/azul/plugins/repository/tdr_anvil/__init__.py
index cb78210bc3..800a850f52 100644
--- a/src/azul/plugins/repository/tdr_anvil/__init__.py
+++ b/src/azul/plugins/repository/tdr_anvil/__init__.py
@@ -512,7 +512,7 @@ def convert_column(value):
             'file_id',
             'data_modality',
             'file_format',
-            'byte_size',
+            'file_size',
             'reference_assembly',
             'file_ref',
         },
diff --git a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.metadata.json b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.metadata.json
index f5a4f8fd9a..3afe50c884 100644
--- a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.metadata.json
+++ b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.metadata.json
@@ -42,7 +42,7 @@
         ]
     },
     "file_23d57a3c-dc24-596a-8142-1215fc2ffa74": {
-        "byte_size": 64526928,
+        "file_size": 64526928,
         "data_modality": [],
         "datarepo_row_id": "f422c79e-33e1-4f0c-b39b-e698a1b564d0",
         "file_format": ".gvcf.gz",
@@ -54,7 +54,7 @@
         ]
     },
     "file_8822d3c7-0498-50a3-b717-a6acef5a8588": {
-        "byte_size": 7455178165,
+        "file_size": 7455178165,
         "data_modality": [],
         "datarepo_row_id": "1035f90f-e1ce-4102-9528-7a9227d361cc",
         "file_format": ".bam",
diff --git a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.result.tdr.json b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.result.tdr.json
index 036d40e710..25e5954eac 100644
--- a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.result.tdr.json
+++ b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.result.tdr.json
@@ -109,7 +109,7 @@
       ]
     },
     "file_23d57a3c-dc24-596a-8142-1215fc2ffa74": {
-      "byte_size": 64526928,
+      "file_size": 64526928,
       "data_modality": [],
       "datarepo_row_id": "f422c79e-33e1-4f0c-b39b-e698a1b564d0",
       "file_format": ".gvcf.gz",
@@ -121,7 +121,7 @@
       ]
     },
     "file_8822d3c7-0498-50a3-b717-a6acef5a8588": {
-      "byte_size": 7455178165,
+      "file_size": 7455178165,
       "data_modality": [],
       "datarepo_row_id": "1035f90f-e1ce-4102-9528-7a9227d361cc",
       "file_format": ".bam",
diff --git a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.results.json b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.results.json
index 8f1606e2c0..982bb815c1 100644
--- a/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.results.json
+++ b/test/indexer/data/3fdc952d-7eec-a8d9-be70-876aa4377a53.results.json
@@ -133,10 +133,10 @@
                         "file_id": [
                             "8822d3c7-0498-50a3-b717-a6acef5a8588"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             7455178165
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             7455178165
                         ],
                         "size": [
@@ -184,10 +184,10 @@
                         "file_id": [
                             "23d57a3c-dc24-596a-8142-1215fc2ffa74"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             64526928
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             64526928
                         ],
                         "size": [
@@ -331,8 +331,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -355,8 +355,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",
@@ -484,8 +484,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -608,8 +608,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -772,10 +772,10 @@
                         "file_id": [
                             "8822d3c7-0498-50a3-b717-a6acef5a8588"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             7455178165
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             7455178165
                         ],
                         "size": [
@@ -823,10 +823,10 @@
                         "file_id": [
                             "23d57a3c-dc24-596a-8142-1215fc2ffa74"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             64526928
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             64526928
                         ],
                         "size": [
@@ -970,8 +970,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -994,8 +994,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",
@@ -1143,10 +1143,10 @@
                         "file_id": [
                             "8822d3c7-0498-50a3-b717-a6acef5a8588"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             7455178165
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             7455178165
                         ],
                         "size": [
@@ -1276,8 +1276,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -1425,10 +1425,10 @@
                         "file_id": [
                             "23d57a3c-dc24-596a-8142-1215fc2ffa74"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             64526928
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             64526928
                         ],
                         "size": [
@@ -1558,8 +1558,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",
@@ -1714,10 +1714,10 @@
                         "file_id": [
                             "8822d3c7-0498-50a3-b717-a6acef5a8588"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             7455178165
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             7455178165
                         ],
                         "size": [
@@ -1765,10 +1765,10 @@
                         "file_id": [
                             "23d57a3c-dc24-596a-8142-1215fc2ffa74"
                         ],
-                        "byte_size": [
+                        "file_size": [
                             64526928
                         ],
-                        "byte_size_": [
+                        "file_size_": [
                             64526928
                         ],
                         "size": [
@@ -1912,8 +1912,8 @@
                         ],
                         "file_format": ".bam",
                         "file_id": "8822d3c7-0498-50a3-b717-a6acef5a8588",
-                        "byte_size": 7455178165,
-                        "byte_size_": 7455178165,
+                        "file_size": 7455178165,
+                        "file_size_": 7455178165,
                         "size": 7455178165,
                         "size_": 7455178165,
                         "name": "file_8822d3c7-0498-50a3-b717-a6acef5a8588",
@@ -1936,8 +1936,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",
@@ -2065,8 +2065,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",
@@ -2189,8 +2189,8 @@
                         ],
                         "file_format": ".gvcf.gz",
                         "file_id": "23d57a3c-dc24-596a-8142-1215fc2ffa74",
-                        "byte_size": 64526928,
-                        "byte_size_": 64526928,
+                        "file_size": 64526928,
+                        "file_size_": 64526928,
                         "size": 64526928,
                         "size_": 64526928,
                         "name": "file_23d57a3c-dc24-596a-8142-1215fc2ffa74",