diff --git a/registry/sql-registry/registry/db_registry.py b/registry/sql-registry/registry/db_registry.py
index 4361f3e91..58f4b98db 100644
--- a/registry/sql-registry/registry/db_registry.py
+++ b/registry/sql-registry/registry/db_registry.py
@@ -405,7 +405,7 @@ def _fill_entity(self, e: Entity) -> Entity:
         return e
 
     def _get_edges(self, ids: list[UUID], types: list[RelationshipType] = []) -> list[Edge]:
-        if not ids or not types:
+        if not ids:
             return []
         sql = fr"""select edge_id, from_id, to_id, conn_type from edges
         where from_id in %(ids)s
@@ -415,9 +415,10 @@ def _get_edges(self, ids: list[UUID], types: list[RelationshipType] = []) -> lis
             where conn_type in %(types)s
             and from_id in %(ids)s
             and to_id in %(ids)s"""
+        
         rows = self.conn.query(sql, {
             "ids": tuple([str(id) for id in ids]),
-            "types": tuple([str(t) for t in types]),
+            "types": tuple([t.name for t in types]),
         })
         return list([_to_type(row, Edge) for row in rows])