diff --git a/levels/checkout.rb b/levels/checkout.rb
index 6730101..471db55 100644
--- a/levels/checkout.rb
+++ b/levels/checkout.rb
@@ -6,6 +6,7 @@
   FileUtils.touch("README")
   repo.add("README")
   repo.commit_all("initial commit")
+  system "git branch -m master"
 end
 
 solution do