From f4d4c47f66a182746e3955c5240c2c0e8d528e43 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Sat, 24 Oct 2009 01:31:29 +0200
Subject: [PATCH] fix for ZADD in score update mode

---
 redis.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/redis.c b/redis.c
index 2e78d9c7..ee99792b 100644
--- a/redis.c
+++ b/redis.c
@@ -3794,6 +3794,7 @@ static int zslDelete(zskiplist *zsl, double score, robj *obj) {
             zslFreeNode(x);
             while(zsl->level > 1 && zsl->header->forward[zsl->level-1] == NULL)
                 zsl->level--;
+            zsl->length--;
             return 1;
         } else {
             x = x->forward[0];