diff --git a/macro11.c b/macro11.c
index ae235ba..e5ce5df 100644
--- a/macro11.c
+++ b/macro11.c
@@ -300,7 +300,7 @@ int main(
 
     text_init(&tr, NULL, 0);
 
-    module_name = memcheck(strdup(""));
+    module_name = memcheck(strdup(".MAIN."));
 
     xfer_address = new_ex_lit(1);      /* The undefined transfer address */