diff --git a/less/forum/Post.less b/less/forum/Post.less
index 2ce55d9e0..7d18ed3d7 100644
--- a/less/forum/Post.less
+++ b/less/forum/Post.less
@@ -81,6 +81,7 @@
   font-size: 14px;
   line-height: 1.7;
   position: relative;
+  overflow: auto;
 
   p, ul, ol, blockquote {
     margin-bottom: 1em;