diff --git a/themes/gnzh.zsh-theme b/themes/gnzh.zsh-theme
index e6031ecb7..7e3f468b7 100644
--- a/themes/gnzh.zsh-theme
+++ b/themes/gnzh.zsh-theme
@@ -65,10 +65,10 @@ local current_dir='%{$PR_BOLD$PR_BLUE%}%~%{$PR_NO_COLOR%}'
 local rvm_ruby=''
 if which rvm-prompt &> /dev/null; then
   rvm_ruby='%{$PR_RED%}‹$(rvm-prompt i v g s)›%{$PR_NO_COLOR%}'
-else
-  if which rbenv &> /dev/null; then
-    rvm_ruby='%{$PR_RED%}‹$(rbenv version | sed -e "s/ (set.*$//")›%{$PR_NO_COLOR%}'
-  fi
+elif which rbenv &> /dev/null; then
+  rvm_ruby='%{$PR_RED%}‹$(rbenv version | sed -e "s/ (set.*$//")›%{$PR_NO_COLOR%}'
+elif which chruby &> /dev/null; then
+  rvm_ruby='%{$PR_RED%}‹$(chruby | (grep "*" || echo system) | sed "s/ \* //")›%{$PR_NO_COLOR%}'
 fi
 local git_branch='$(git_prompt_info)%{$PR_NO_COLOR%}'