Show rbenv active ruby rather than system ruby
diff --git a/themes/base.theme.bash b/themes/base.theme.bash
index fe112ec..15bd4aa 100644
--- a/themes/base.theme.bash
+++ b/themes/base.theme.bash
@@ -121,7 +121,7 @@
 
 function rbenv_version_prompt {
   if which rbenv &> /dev/null; then
-    rbenv=$(rbenv global) || return
+    rbenv=$(rbenv version-name) || return
     echo -e "$RBENV_THEME_PROMPT_PREFIX$rbenv$RBENV_THEME_PROMPT_SUFFIX"
   fi
 }