diff --git a/redis.c b/redis.c
index df3b4131..a45f2831 100644
--- a/redis.c
+++ b/redis.c
@@ -1385,7 +1385,6 @@ static void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask)
 
 
     /* Use writev() if we have enough buffers to send */
-    #if 0
     if (!server.glueoutputbuf &&
         listLength(c->reply) > REDIS_WRITEV_THRESHOLD && 
         !(c->flags & REDIS_MASTER))
@@ -1393,7 +1392,6 @@ static void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask)
         sendReplyToClientWritev(el, fd, privdata, mask);
         return;
     }
-    #endif
 
     while(listLength(c->reply)) {
         if (server.glueoutputbuf && listLength(c->reply) > 1)