diff --git a/lib/services/collections_service.dart b/lib/services/collections_service.dart
index 5cceece1b..ae8ae150f 100644
--- a/lib/services/collections_service.dart
+++ b/lib/services/collections_service.dart
@@ -1443,9 +1443,19 @@ class CollectionsService {
     int fromCollectionID,
     List<EnteFile> files,
   ) {
+    final int userID = Configuration.instance.getUserID()!;
     if (toCollectionID == fromCollectionID) {
       throw AssertionError("Can't move to same album");
     }
+    final Collection? toCollection = _collectionIDToCollections[toCollectionID];
+    final Collection? fromCollection =
+        _collectionIDToCollections[fromCollectionID];
+    if (toCollection != null && !toCollection.isOwner(userID)) {
+      throw AssertionError("Can't move to a collection you don't own");
+    }
+    if (fromCollection != null && !fromCollection.isOwner(userID)) {
+      throw AssertionError("Can't move from a collection you don't own");
+    }
     for (final file in files) {
       if (file.uploadedFileID == null) {
         throw AssertionError("Can only move uploaded memories");