diff --git a/themes/gnzh.zsh-theme b/themes/gnzh.zsh-theme
index 0519fbefb..5a36f4ad6 100644
--- a/themes/gnzh.zsh-theme
+++ b/themes/gnzh.zsh-theme
@@ -42,6 +42,8 @@ elif which rvm-prompt &> /dev/null; then # detect sysem-wide rvm installation
   rvm_ruby='%{$PR_RED%}‹$(rvm-prompt i v g s)›%{$PR_NO_COLOR%}'
 elif which rbenv &> /dev/null; then # detect Simple Ruby Version management
   rvm_ruby='%{$PR_RED%}‹$(rbenv version | sed -e "s/ (set.*$//")›%{$PR_NO_COLOR%}'
+elif which chruby_prompt_info &> /dev/null; then # detect chruby
+  rvm_ruby='%{$PR_RED%}‹$(chruby_prompt_info | sed -e "s/ (set.*$//")›%{$PR_NO_COLOR%}'
 fi
 local git_branch='$(git_prompt_info)%{$PR_NO_COLOR%}'