diff --git a/src/replication.c b/src/replication.c
index 02072e41..cef65dfd 100644
--- a/src/replication.c
+++ b/src/replication.c
@@ -1716,7 +1716,10 @@ void slaveofCommand(redisClient *c) {
         !strcasecmp(c->argv[2]->ptr,"one")) {
         if (server.masterhost) {
             replicationUnsetMaster();
-            redisLog(REDIS_NOTICE,"MASTER MODE enabled (user request)");
+            sds client = catClientInfoString(sdsempty(),c);
+            redisLog(REDIS_NOTICE,
+                "MASTER MODE enabled (user request from '%s')",client);
+            sdsfree(client);
         }
     } else {
         long port;
@@ -1734,8 +1737,10 @@ void slaveofCommand(redisClient *c) {
         /* There was no previous master or the user specified a different one,
          * we can continue. */
         replicationSetMaster(c->argv[1]->ptr, port);
-        redisLog(REDIS_NOTICE,"SLAVE OF %s:%d enabled (user request)",
-            server.masterhost, server.masterport);
+        sds client = catClientInfoString(sdsempty(),c);
+        redisLog(REDIS_NOTICE,"SLAVE OF %s:%d enabled (user request from '%s')",
+            server.masterhost, server.masterport, client);
+        sdsfree(client);
     }
     addReply(c,shared.ok);
 }