diff --git a/refs/heads/master_bak b/refs/heads/master_bak
new file mode 100644
index 000000000..e5b5dfafd
--- /dev/null
+++ b/refs/heads/master_bak
@@ -0,0 +1 @@
+CREATE 0000000000000000000000000000000000000000 762efafd8d7b93794f34e684c7381514b6dfbcb4
\ No newline at end of file