diff --git a/gl-rt-bridge.rb b/gl-rt-bridge.rb
index a999e97070a27c8f544e43800d75f3abefe9aff1..0946dd3be8cd9c888f28bea76a55e416ba835366 100755
--- a/gl-rt-bridge.rb
+++ b/gl-rt-bridge.rb
@@ -16,7 +16,7 @@ rt = RT_Client.new(server: settings.rt[:server],
                    cookies: settings.rt[:cookies])
 
 post '/' do # rubocop:disable Metrics/BlockLength
-  if not settings.token.nil?
+  unless settings.token.nil?
     halt 403 unless request.env['HTTP_X_GITLAB_TOKEN'] == settings.token
   end
   gitlab_event = request.env['HTTP_X_GITLAB_EVENT']