diff --git a/lib/Onyx.js b/lib/Onyx.js
index a2f14c299..dbfb4899c 100644
--- a/lib/Onyx.js
+++ b/lib/Onyx.js
@@ -1129,14 +1129,20 @@ function mergeCollection(collectionKey, collection) {
     }
 
     // Confirm all the collection keys belong to the same parent
+    let hasCollectionKeyCheckFailed = false;
     _.each(collection, (_data, dataKey) => {
         if (isKeyMatch(collectionKey, dataKey)) {
             return;
         }
-
-        throw new Error(`Provided collection doesn't have all its data belonging to the same parent. CollectionKey: ${collectionKey}, DataKey: ${dataKey}`);
+        hasCollectionKeyCheckFailed = true;
+        Logger.logError(`Provided collection doesn't have all its data belonging to the same parent. CollectionKey: ${collectionKey}, DataKey: ${dataKey}`);
     });
 
+    // Gracefully handle bad mergeCollection updates so it doesn't block the merge queue
+    if (hasCollectionKeyCheckFailed) {
+        return Promise.resolve();
+    }
+
     return getAllKeys()
         .then((persistedKeys) => {
             // Split to keys that exist in storage and keys that don't