diff --git a/src/networking.c b/src/networking.c
index 27006514d..98e779642 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -561,8 +561,7 @@ void addReplyBulkCBuffer(client *c, const void *p, size_t len) {
 
 /* Add sds to reply (takes ownership of sds and frees it) */
 void addReplyBulkSds(client *c, sds s)  {
-    addReplySds(c,sdscatfmt(sdsempty(),"$%u\r\n",
-        (unsigned long)sdslen(s)));
+    addReplyLongLongWithPrefix(c,sdslen(s),'$');
     addReplySds(c,s);
     addReply(c,shared.crlf);
 }