diff --git a/routes/routesKobo.py b/routes/routesKobo.py
index 71db937..62d28b2 100644
--- a/routes/routesKobo.py
+++ b/routes/routesKobo.py
@@ -249,6 +249,7 @@ async def kobo_to_linked_kobo(
         )
 
     # store the submission uuid and status, to avoid duplicate submissions
+    kobo_data["_uuid"] = kobo_data["_uuid"] + request.headers["childasset"]
     submission = add_submission(kobo_data)
     if submission["status"] == "success":
         logger.info(