diff --git a/src/main/twirl/gitbucket/core/repo/editor.scala.html b/src/main/twirl/gitbucket/core/repo/editor.scala.html
index 3c8089e..a97bc55 100644
--- a/src/main/twirl/gitbucket/core/repo/editor.scala.html
+++ b/src/main/twirl/gitbucket/core/repo/editor.scala.html
@@ -39,6 +39,48 @@
                 </optgroup>
               </select>
             </div>
+            <div class="pull-right">
+              <select id="theme" class="form-control" style="margin-bottom: 0px; padding: 0px;">
+                <optgroup label="Editor Theme">
+                  <option value="ambiance">Ambiance</option>
+                  <option value="chaos">Chaos</option>
+                  <option value="chrome">Chrome</option>
+                  <option value="clouds">Clouds</option>
+                  <option value="clouds_midnight">Clouds Midnight</option>
+                  <option value="cobalt">Cobalt</option>
+                  <option value="crimson_editor">Crimson</option>
+                  <option value="dawn">Dawn</option>
+                  <option value="dracula">Dracula</option>
+                  <option value="dreamweaver">Dreamweaver</option>
+                  <option value="eclipse">Eclipse</option>
+                  <option value="github">GitHub</option>
+                  <option value="gob">Gob</option>
+                  <option value="gruvbox">Gruvbox</option>
+                  <option value="idle_fingers">Idle Fingers</option>
+                  <option value="iplastic">Iplastic</option>
+                  <option value="katzenmilch">Katzenmilch</option>
+                  <option value="kr_theme">Kr</option>
+                  <option value="kuroir">Kuroir</option>
+                  <option value="merbivore">Merbivore</option>
+                  <option value="mono_industrial">Mono Industrial</option>
+                  <option selected value="monokai">Monokai</option>
+                  <option value="nord_dark">Nord Dark</option>
+                  <option value="pastel_on_dark">Pastel on Dark</option>
+                  <option value="solarized_dark">Solarized Dark</option>
+                  <option value="solarized_light">Solarized Light</option>
+                  <option value="sqlserver">Sqlserver</option>
+                  <option value="terminal">Terminal</option>
+                  <option value="textmate">Textmate</option>
+                  <option value="tomorrow">Tomorrow</option>
+                  <option value="tomorrow_night">Tomorrow Night</option>
+                  <option value="tomorrow_night_bright">Tomorrow Night Bright</option>
+                  <option value="tomorrow_night_eighties">Tomorrow Night Eighties</option>
+                  <option value="twilight">Twilight</option>
+                  <option value="vibrant_ink">Vibrant Ink</option>
+                  <option value="xcode">Xcode</option>
+                </optgroup>
+              </select>
+            </div>
             <div class="btn-group" data-toggle="buttons-radio">
               <input type="button" id="btn-code" class="btn btn-default btn-small active" value="Code">
               <input type="button" id="btn-preview" class="btn btn-default btn-small" value="Preview">
@@ -86,7 +128,11 @@
 $(function(){
   $('#editor').text($('#initial').val());
   var editor = ace.edit("editor");
-  editor.setTheme("ace/theme/monokai");
+  editor.setTheme("ace/theme/" + $('#theme').val());
+
+  $('#theme').change(function(){
+    editor.setTheme("ace/theme/" + $('#theme').val());
+  });
 
   if(localStorage.getItem('gitbucket:editor:wrap') == 'true'){
     editor.getSession().setUseWrapMode(true);