diff --git a/tests/delegate0_test.cpp b/tests/delegate0_test.cpp
index 649ce8d..7a1ca6f 100644
--- a/tests/delegate0_test.cpp
+++ b/tests/delegate0_test.cpp
@@ -26,7 +26,7 @@ struct Test
 	}
 	void call2()
 	{
-		func_called = true;
+		func_called = !func_called;
 	}
 };