diff --git a/server/plugin/plg_video_transcoder/index.go b/server/plugin/plg_video_transcoder/index.go
index 12626a35..5adc0cfd 100644
--- a/server/plugin/plg_video_transcoder/index.go
+++ b/server/plugin/plg_video_transcoder/index.go
@@ -66,6 +66,7 @@ func init(){
 			return f
 		}).String()
 	}
+	blacklist_format()
 
 	if plugin_enable() == false {
 		return