diff --git a/lib/NGCP/Panel/Controller/API/CallLists.pm b/lib/NGCP/Panel/Controller/API/CallLists.pm
index 30357e46a0..28b92e799a 100644
--- a/lib/NGCP/Panel/Controller/API/CallLists.pm
+++ b/lib/NGCP/Panel/Controller/API/CallLists.pm
@@ -276,5 +276,5 @@ sub end : Private {
 
     $self->log_response($c);
 }
-
+1;
 # vim: set tabstop=4 expandtab: