diff --git a/levels/revert.rb b/levels/revert.rb
index da123c5..65e0969 100644
--- a/levels/revert.rb
+++ b/levels/revert.rb
@@ -7,6 +7,7 @@
   FileUtils.touch "file1"
   repo.add        "file1"
   repo.commit_all "First commit"
+  system "git branch -m master"
 
   FileUtils.touch "file3"
   repo.add        "file3"