diff --git a/templates/default/chruby.sh.erb b/templates/default/chruby.sh.erb
index d92f775..af61b16 100644
--- a/templates/default/chruby.sh.erb
+++ b/templates/default/chruby.sh.erb
@@ -1,3 +1,7 @@
+<% if node['chruby']['shell'] -%>
+#!<%= node['chruby']['shell'] -%>
+<% end -%>
+
 source /usr/local/chruby/share/chruby/chruby.sh
 
 <% if ::File.exists?("/opt/chefdk/embedded") -%>