diff --git a/dp3/database/snapshots.py b/dp3/database/snapshots.py
index a685957d..49a86dcf 100644
--- a/dp3/database/snapshots.py
+++ b/dp3/database/snapshots.py
@@ -246,7 +246,7 @@ def _prepare_latest_query(
         query["latest"] = True
 
         # Process fulltext filters
-        for attr, attr_filter in fulltext_filters:
+        for attr, attr_filter in fulltext_filters.items():
             fulltext_filter = {"$regex": attr_filter, "$options": "i"}
 
             # EID filter