diff --git a/app/controllers/dmsf_files_controller.rb b/app/controllers/dmsf_files_controller.rb
index cd5430b2..cbd5647b 100644
--- a/app/controllers/dmsf_files_controller.rb
+++ b/app/controllers/dmsf_files_controller.rb
@@ -49,7 +49,11 @@ class DmsfFilesController < ApplicationController
         end
       end
       check_project(@revision.file)
-      send_revision
+      begin
+        send_revision
+      rescue MissingFile => e
+        render_404
+      end
       return
     end