diff --git a/cms/static/sass/_base.scss b/cms/static/sass/_base.scss
index 905abe92e0..c229377dd0 100644
--- a/cms/static/sass/_base.scss
+++ b/cms/static/sass/_base.scss
@@ -4,6 +4,7 @@
 // basic reset
 html {
   font-size: 62.5%;
+  overflow-y: scroll;
 }
 
 body {