diff --git a/src/Radarr.Api.V3/Collections/CollectionController.cs b/src/Radarr.Api.V3/Collections/CollectionController.cs
index be7e4767b..defdb1c1c 100644
--- a/src/Radarr.Api.V3/Collections/CollectionController.cs
+++ b/src/Radarr.Api.V3/Collections/CollectionController.cs
@@ -98,7 +98,7 @@ public ActionResult<CollectionResource> UpdateCollection(CollectionResource coll
         [HttpPut]
         public ActionResult UpdateCollections(CollectionUpdateResource resource)
         {
-            var collectionsToUpdate = _collectionService.GetCollections(resource.CollectionIds);
+            var collectionsToUpdate = _collectionService.GetCollections(resource.CollectionIds).ToList();
 
             foreach (var collection in collectionsToUpdate)
             {
@@ -132,7 +132,7 @@ public ActionResult UpdateCollections(CollectionUpdateResource resource)
                 }
             }
 
-            var updated = _collectionService.UpdateCollections(collectionsToUpdate.ToList()).ToResource();
+            var updated = _collectionService.UpdateCollections(collectionsToUpdate).ToResource();
 
             _commandQueueManager.Push(new RefreshCollectionsCommand());