diff --git a/spec/tasks/gitlab/backup_rake_spec.rb b/spec/tasks/gitlab/backup_rake_spec.rb
index c2f1d4e1b1cd303148184dac75c3bef9a3dc125d..71a45eb2fa6f4e1ea03ea20814a41e71c5ab18da 100644
--- a/spec/tasks/gitlab/backup_rake_spec.rb
+++ b/spec/tasks/gitlab/backup_rake_spec.rb
@@ -35,7 +35,7 @@ describe 'gitlab:app namespace rake task' do
       let(:gitlab_version) { Gitlab::VERSION }
 
       it 'should fail on mismatch' do
-        YAML.stub load_file: {gitlab_version: gitlab_version.reverse}
+        YAML.stub load_file: {gitlab_version: "not #{gitlab_version}" }
         expect { run_rake_task }.to raise_error SystemExit
       end