diff --git a/app/assets/stylesheets/form.sass b/app/assets/stylesheets/form.sass
index 67f1ddc4..f1cf9285 100644
--- a/app/assets/stylesheets/form.sass
+++ b/app/assets/stylesheets/form.sass
@@ -7,6 +7,7 @@ body.mce-content-body
   border: none
   padding: 1px 1%
   font-size: inherit
+  min-height: 100%
 
 .tox-tinymce
   border: none !important