1 files changed, 7 insertions, 7 deletions
diff --git a/app/controllers/concerns/project_unauthorized.rb b/app/controllers/concerns/project_unauthorized.rb
index d42363b8b17..7238840440f 100644
--- a/app/controllers/concerns/project_unauthorized.rb
+++ b/app/controllers/concerns/project_unauthorized.rb
@@ -1,10 +1,12 @@
 # frozen_string_literal: true
 
 module ProjectUnauthorized
-  def project_unauthorized_proc
-    lambda do |project|
-      if project
-        label = project.external_authorization_classification_label
+  module ControllerActions
+    def self.on_routable_not_found
+      lambda do |routable|
+        return unless routable.is_a?(Project)
+
+        label = routable.external_authorization_classification_label
         rejection_reason = nil
 
         unless ::Gitlab::ExternalAuthorization.access_allowed?(current_user, label)
@@ -12,9 +14,7 @@ module ProjectUnauthorized
           rejection_reason ||= _('External authorization denied access to this project')
         end
 
-        if rejection_reason
-          access_denied!(rejection_reason)
-        end
+        access_denied!(rejection_reason) if rejection_reason
       end
     end
   end