diff --git a/src/http_act.c b/src/http_act.c
index f88c856..59e614f 100644
--- a/src/http_act.c
+++ b/src/http_act.c
@@ -1877,6 +1877,8 @@
 	free(redir->cookie_str);
 	list_for_each_entry_safe(lf, lfb, &redir->rdr_fmt, list) {
 		LIST_DELETE(&lf->list);
+		release_sample_expr(lf->expr);
+		free(lf->arg);
 		free(lf);
 	}
 	free(redir);