diff --git a/plugins/router_redis/router_redis.c b/plugins/router_redis/router_redis.c
index 52890893..7f123244 100644
--- a/plugins/router_redis/router_redis.c
+++ b/plugins/router_redis/router_redis.c
@@ -310,6 +310,7 @@ static int uwsgi_router_redis(struct uwsgi_route *ur, char *args) {
 
 	if (!urrc->key || !urrc->addr) {
 		uwsgi_log("invalid route syntax: you need to specify a redis address and key pattern\n");
+		free(urrc);
 		return -1;
 	}