diff --git a/plone/app/discussion/browser/stylesheets/discussion.css b/plone/app/discussion/browser/stylesheets/discussion.css
index 4ff3b1c..e5b91be 100644
--- a/plone/app/discussion/browser/stylesheets/discussion.css
+++ b/plone/app/discussion/browser/stylesheets/discussion.css
@@ -7,6 +7,7 @@
 .comment {
 	min-height: 100px;
 	position: relative;
+	overflow: auto;
 }
 
 .commentImage {