diff --git a/src/replication.c b/src/replication.c
index 06cfe89a..70ed8605 100644
--- a/src/replication.c
+++ b/src/replication.c
@@ -601,6 +601,7 @@ void replconfCommand(redisClient *c) {
                 c->repl_ack_off = offset;
             c->repl_ack_time = server.unixtime;
             /* Note: this command does not reply anything! */
+            return;
         } else {
             addReplyErrorFormat(c,"Unrecognized REPLCONF option: %s",
                 (char*)c->argv[j]->ptr);