diff --git a/replication/binlogsyncer.go b/replication/binlogsyncer.go
index 9c88aa8b8..7f8b06b72 100644
--- a/replication/binlogsyncer.go
+++ b/replication/binlogsyncer.go
@@ -170,7 +170,7 @@ func NewBinlogSyncer(cfg BinlogSyncerConfig) *BinlogSyncer {
 	// Clear the Password to avoid outputing it in log.
 	pass := cfg.Password
 	cfg.Password = ""
-	cfg.Logger.Infof("create BinlogSyncer with config %v", cfg)
+	cfg.Logger.Infof("create BinlogSyncer with config %+v", cfg)
 	cfg.Password = pass
 
 	b := new(BinlogSyncer)