diff --git a/tests/tbs/tbs0336.pp b/tests/tbs/tbs0336.pp
index 91f89f7bab..17499cab63 100644
--- a/tests/tbs/tbs0336.pp
+++ b/tests/tbs/tbs0336.pp
@@ -1,3 +1,4 @@
+{$mode objfpc}
 Uses classes,sysutils;