diff --git a/customize.dist/main.css b/customize.dist/main.css
index 4a63a4b55..a6052bb4f 100644
--- a/customize.dist/main.css
+++ b/customize.dist/main.css
@@ -494,6 +494,7 @@ html.cp,
   color: #555;
   font-family: Georgia,Cambria,serif;
   height: 100%;
+  overflow-x: hidden;
 }
 .cp {
   /* buttons */
diff --git a/customize.dist/src/less/cryptpad.less b/customize.dist/src/less/cryptpad.less
index 5affb2f88..4a903cd1f 100644
--- a/customize.dist/src/less/cryptpad.less
+++ b/customize.dist/src/less/cryptpad.less
@@ -15,6 +15,7 @@ html.cp, .cp body {
 
     font-family: Georgia,Cambria,serif;
     height: 100%;
+    overflow-x: hidden;
 }
 
 .cp {