diff --git a/models/api.py b/models/api.py
index 153cfc3..63aaa49 100644
--- a/models/api.py
+++ b/models/api.py
@@ -44,7 +44,7 @@ def search_items(self, collections=[], bbox=[], start_time=None,
         body = {
             'collections': [c.id for c in collections],
             'bbox': bbox,
-            'time': time,
+            'datetime': time,
             'limit': limit,
         }