diff --git a/parts/server.py b/parts/server.py
index 54c43e1..2d37e50 100644
--- a/parts/server.py
+++ b/parts/server.py
@@ -75,7 +75,7 @@ def get_locations_in_container(containerID):
     r = db_engine.execute(text(s), id=containerID)
     l={}
     for row in r:
-        l[row[0]]= row[1];
+        l[str(row[0])]= row[1];
     r.close()
     return json.dumps(l)