diff --git a/src/cookies/path.c b/src/cookies/path.c
index f5578937..c51bc859 100644
--- a/src/cookies/path.c
+++ b/src/cookies/path.c
@@ -8,6 +8,8 @@ is_path_prefix(char *cookiepath, char *requestpath)
 {
 	int dl = strlen(cookiepath);
 
+	if (!dl) return 1;
+
 	if (memcmp(cookiepath, requestpath, dl)) return 0;
 
 	return (!memcmp(cookiepath, requestpath, dl)