1 files changed, 3 insertions, 0 deletions
diff --git a/ui-refs.c b/ui-refs.c
index 7b95e8b..50d9d30 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -97,6 +97,9 @@ static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
 	struct strbuf filename = STRBUF_INIT;
 	size_t prefixlen;
 
+	if (!ref || strlen(ref) < 1)
+		return;
+
 	basename = cgit_snapshot_prefix(repo);
 	if (starts_with(ref, basename))
 		strbuf_addstr(&filename, ref);