diff --git a/Assets/EventManager/Scripts/EventManager.cs b/Assets/EventManager/Scripts/EventManager.cs
index d325717..cfcaec6 100644
--- a/Assets/EventManager/Scripts/EventManager.cs
+++ b/Assets/EventManager/Scripts/EventManager.cs
@@ -34,7 +34,7 @@ namespace FirstVillain.Event
                 if (_delegateDict.TryGetValue(type, out EventDelegate tempDelegate))
                 {
                     tempDelegate -= targetDelegate;
-                    if (tempDelegate.GetInvocationList().Length == 0)
+                    if (tempDelegate == null)
                     {
                         _delegateDict.Remove(type);
                     }