diff --git a/app/controllers/dmsf_files_controller.rb b/app/controllers/dmsf_files_controller.rb
index cbd5647b..f87fed4c 100644
--- a/app/controllers/dmsf_files_controller.rb
+++ b/app/controllers/dmsf_files_controller.rb
@@ -51,7 +51,7 @@ class DmsfFilesController < ApplicationController
       check_project(@revision.file)
       begin
         send_revision
-      rescue MissingFile => e
+      rescue ActionController::MissingFile => e
         render_404
       end
       return