diff --git a/connector/mattermost/mattermost.go b/connector/mattermost/mattermost.go
index ca49c99..41f956b 100644
--- a/connector/mattermost/mattermost.go
+++ b/connector/mattermost/mattermost.go
@@ -247,7 +247,10 @@ func (mm *Mattermost) Send(event *Event) error {
 	}
 
 	_, resp := mm.conn.Client.CreatePost(post)
-	return resp.Error
+	if resp.Error != nil {
+		return resp.Error
+	}
+	return nil
 }
 
 func (mm *Mattermost) Close() {