diff --git a/connector/mattermost/mattermost.go b/connector/mattermost/mattermost.go
index ea8377c..5ec76d0 100644
--- a/connector/mattermost/mattermost.go
+++ b/connector/mattermost/mattermost.go
@@ -607,7 +607,7 @@ func (mm *Mattermost) handlePost(channel_name string, post *model.Post, only_mes
 	}
 
 	// Handle files
-	if post.FileIds != nil && len(post.FileIds) > 0 {
+	if post.Metadata != nil && post.Metadata.Files != nil {
 		msg_ev.Attachments = []SMediaObject{}
 		for _, file := range post.Metadata.Files {
 			media_object := &LazyBlobMediaObject{