diff --git a/contrib/halog/halog.c b/contrib/halog/halog.c
index fc927bdd93..cb815d8cc2 100644
--- a/contrib/halog/halog.c
+++ b/contrib/halog/halog.c
@@ -1569,6 +1569,7 @@ void filter_count_url(const char *accept_field, const char *time_field, struct t
 
 	if (unlikely(!*e)) {
 		truncated_line(linenum, line);
+		free(ustat);
 		return;
 	}