diff --git a/cookie.c b/cookie.c
index c11649c..b7ea016 100644
--- a/cookie.c
+++ b/cookie.c
@@ -105,6 +105,7 @@ make_portlist(Str port)
 	pl->next = first;
 	first = pl;
     }
+    Strfree(tmp);
     return first;
 }