diff --git a/cloud_functions/functions/src/snapshotSync/index.ts b/cloud_functions/functions/src/snapshotSync/index.ts
index d4f4979d..900a8598 100644
--- a/cloud_functions/functions/src/snapshotSync/index.ts
+++ b/cloud_functions/functions/src/snapshotSync/index.ts
@@ -128,7 +128,7 @@ const syncDocOnUpdate = (config: {
         return syncSubCollection(
           targetPath,
           snapshotField,
-          afterData,
+          { ...afterData, objectID: snapshot.after.ref.id },
           snapshot.after
         );
 
@@ -137,7 +137,7 @@ const syncDocOnUpdate = (config: {
           targetPath,
           isArray,
           snapshotField,
-          afterData,
+          { ...afterData, objectID: snapshot.after.ref.id },
           snapshot.after
         );
       default: