diff --git a/src/NzbDrone.Core/Movies/Collections/MovieCollectionService.cs b/src/NzbDrone.Core/Movies/Collections/MovieCollectionService.cs
index 7a15f72e6..3b8ee368a 100644
--- a/src/NzbDrone.Core/Movies/Collections/MovieCollectionService.cs
+++ b/src/NzbDrone.Core/Movies/Collections/MovieCollectionService.cs
@@ -122,7 +122,7 @@ namespace NzbDrone.Core.Movies.Collections
 
                 var collection = FindByTmdbId(collectionTmdbId);
 
-                _repo.Delete(collectionTmdbId);
+                _repo.Delete(collection.Id);
 
                 _eventAggregator.PublishEvent(new CollectionDeletedEvent(collection));
             }