diff --git a/def.go b/def.go
index 8dd0329..986e61d 100644
--- a/def.go
+++ b/def.go
@@ -158,7 +158,7 @@ type MessageParsingRule struct {
 	Priority       int32
 	Description    string
 	Rule           string
-	MsgTypeID      int32
+	MsgTypeID      int64
 	ChatID64       int64
 	SenderUserID64 int64
 	re             *regexp.Regexp