diff --git a/lib/NGCP/Panel/Role/API/SoundFiles.pm b/lib/NGCP/Panel/Role/API/SoundFiles.pm
index 44a906871e..2c4cad6fd0 100644
--- a/lib/NGCP/Panel/Role/API/SoundFiles.pm
+++ b/lib/NGCP/Panel/Role/API/SoundFiles.pm
@@ -191,7 +191,6 @@ sub update_item {
         last;
     }
 
-    $resource->{codec} = 'WAV';
     $resource->{data} = $recording;
 
     delete $resource->{handle};