diff --git a/ace/index.html b/ace/index.html
index 470dd06..e247d78 100644
--- a/ace/index.html
+++ b/ace/index.html
@@ -73,7 +73,7 @@
                 indentedSoftWrap: true,
                 showFoldWidgets: false,
                 showLineNumbers: true,
-                showGutter: false,
+                showGutter: true,
                 autoScrollEditorIntoView: true,
                 fontSize: 14
             });