diff --git a/const.go b/const.go
index 5fcc3e98b..f505624df 100644
--- a/const.go
+++ b/const.go
@@ -68,7 +68,7 @@ const (
 	comBinlogDump
 	comTableDump
 	comConnectOut
-	comRegiserSlave
+	comRegisterSlave
 	comStmtPrepare
 	comStmtExecute
 	comStmtSendLongData