diff --git a/IDE/mintest/minlib/src/System/Object.bf b/IDE/mintest/minlib/src/System/Object.bf
index cc3ff648..b707d368 100644
--- a/IDE/mintest/minlib/src/System/Object.bf
+++ b/IDE/mintest/minlib/src/System/Object.bf
@@ -518,6 +518,8 @@ namespace System
 		}
     }
 
+	delegate void Action();
+
     struct DeferredCall
     {
 		public int64 mMethodId;