diff --git a/main/gbx/gbx_c_class.c b/main/gbx/gbx_c_class.c
index 19210f9db..14c3b477b 100644
--- a/main/gbx/gbx_c_class.c
+++ b/main/gbx/gbx_c_class.c
@@ -765,7 +765,9 @@ BEGIN_METHOD(Object_Call, GB_OBJECT object; GB_STRING method; GB_OBJECT params)
 	}
 
 	GB_Call(&func, np, FALSE);
-	GB_ReturnConvVariant();
+	
+	if (TEMP.type != T_VOID)
+		GB_ReturnConvVariant();
 
 END_METHOD