diff --git a/hakai_ckan_records_checks/hakai.py b/hakai_ckan_records_checks/hakai.py
index bcdb94fb..7cb6574d 100644
--- a/hakai_ckan_records_checks/hakai.py
+++ b/hakai_ckan_records_checks/hakai.py
@@ -73,7 +73,7 @@ def _test(condition, level, message):
         _test(resource["url"] != "", "ERROR", "Empty resource url")
         _test(resource["format"] != "", "ERROR", "Empty resource format")
         _test(
-            resource["format"] in ["HTML", "ERDDAP", "OBIS"],
+            resource["format"] in ["HTML", "ERDDAP", "OBIS","PDF","ZIP"],
             "ERROR",
             f"Invalid resource format: resources[{index}].format={resource['format']}",
         )