diff --git a/fastadapter/src/main/java/com/mikepenz/fastadapter/adapters/ItemFilter.kt b/fastadapter/src/main/java/com/mikepenz/fastadapter/adapters/ItemFilter.kt
index 77d4186b9..c799f36f6 100644
--- a/fastadapter/src/main/java/com/mikepenz/fastadapter/adapters/ItemFilter.kt
+++ b/fastadapter/src/main/java/com/mikepenz/fastadapter/adapters/ItemFilter.kt
@@ -101,7 +101,7 @@ open class ItemFilter<Model, Item : GenericItem>(private val itemAdapter: ModelA
 
         //only fire when we are filtered, not in onReset
         if (originalItems != null) {
-            itemFilterListener?.itemsFiltered(constraint, results.values as List<Item>)
+            itemFilterListener?.itemsFiltered(constraint, results.values as? List<Item>)
         }
     }