diff --git a/themes/l/fish_right_prompt.fish b/themes/l/fish_right_prompt.fish
new file mode 100644
index 0000000..ced537a
--- /dev/null
+++ b/themes/l/fish_right_prompt.fish
@@ -0,0 +1,29 @@
+# To show the right prompt please set
+# set theme_display_rbenv 'yes' (config.fish)
+# set theme_display_rbenv_gemset 'yes' (config.fish)
+
+function _ruby_version
+  echo (command rbenv version-name | sed 's/\n//')
+end
+
+function _ruby_gemset
+  echo (command rbenv gemset active ^/dev/null | sed -e 's| global||')
+end
+
+function fish_right_prompt
+  if [ "$theme_display_rbenv" = 'yes' ]
+    set -l red (set_color red)
+    set -l normal (set_color normal)
+
+    set ruby_info $red(_ruby_version)
+
+    if [ "$theme_display_rbenv_gemset" = 'yes' ]
+      if [ (_ruby_gemset) ]
+        set -l ruby_gemset $red(_ruby_gemset)
+        set ruby_info "$ruby_info@$ruby_gemset"
+      end
+    end
+
+    echo -n -s $ruby_info $normal
+  end
+end
diff --git a/themes/l/readme.md b/themes/l/readme.md
index c1d9ad0..b181660 100644
--- a/themes/l/readme.md
+++ b/themes/l/readme.md
@@ -6,9 +6,20 @@ A theme inspired by [oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh/blob/m
 ![](http://f.cl.ly/items/2S25360U1p360E0D2u2g/3.png)
 ![](http://f.cl.ly/items/1w0s0Q3x3r2Z1F1l011k/4.png)
 
-
 #### Characteristics
 
 * Current branch
 * Dirty working directory
-* Working directory
\ No newline at end of file
+* Working directory
+
+Only if fish_theme_l_right_prompt variable is set true within config.fish
+
+```fish
+set theme_display_rbenv 'yes'
+set theme_display_rbenv_gemset 'yes'
+```
+
+* Rbenv Ruby Version
+* Rbenv Ruby Gemset
+
+![](http://f.cl.ly/items/0f0k3o2L3y2q1L3g1R1X/5.png)