diff --git a/modules/git/functions/git_current_branch b/modules/git/functions/git_current_branch
new file mode 100644
index 0000000..b035ea0
--- /dev/null
+++ b/modules/git/functions/git_current_branch
@@ -0,0 +1,9 @@
+# slightly modified git_current_branch from oh-my-zsh for theme compatibility
+local ref
+ref=$(command git symbolic-ref --quiet HEAD 2> /dev/null)
+local ret=$?
+if [[ $ret != 0 ]]; then
+  [[ $ret == 128 ]] && return  # no git repo.
+  ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
+fi
+print ${ref#refs/heads/}