diff --git a/lib/ace/css/editor.css b/lib/ace/css/editor.css
index 96cc27d7..df3b02b9 100644
--- a/lib/ace/css/editor.css
+++ b/lib/ace/css/editor.css
@@ -5,10 +5,6 @@
     font-size: 12px;
     line-height: normal;
     color: black;
-    -ms-user-select: none;
-    -moz-user-select: none;
-    -webkit-user-select: none;
-    user-select: none;
 }
 
 .ace_scroller {
@@ -17,6 +13,10 @@
     top: 0;
     bottom: 0;
     background-color: inherit;
+    -ms-user-select: none;
+    -moz-user-select: none;
+    -webkit-user-select: none;
+    user-select: none;
 }
 
 .ace_content {