diff --git a/bridge/slack/slack.go b/bridge/slack/slack.go
index 23b3adce..d2d118b2 100644
--- a/bridge/slack/slack.go
+++ b/bridge/slack/slack.go
@@ -312,10 +312,7 @@ func (b *Bslack) prepareMessageParameters(msg *config.Message) *slack.PostMessag
 	params.IconURL = config.GetIconURL(msg, b.GetString(iconURLConfig))
 	msgFields := strings.Fields(msg.ParentID)
 	if len(msgFields) >= 2 {
-		msgProtocol, msgID := msgFields[0], msgFields[1]
-		if msgProtocol == "slack" {
-			params.ThreadTimestamp = msgID
-		}
+		params.ThreadTimestamp = msgFields[1]
 	}
 	if msg.Avatar != "" {
 		params.IconURL = msg.Avatar