diff --git a/src/sentinel.c b/src/sentinel.c
index 22f89596..611c31f3 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -2520,6 +2520,7 @@ void sentinelCommand(redisClient *c) {
                 break;
             }
         } else {
+            sentinelFlushConfig();
             addReply(c,shared.ok);
         }
     } else {