diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index 0d9bf05616d..0f4b9329607 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -732,6 +732,8 @@ blockquote > *:last-child {
   float: left;
   margin-top: 15px;
   padding-left: 15px;
+  /* urgent fix, must set max width or long gutter width float flows under posts */
+  max-width: 215px;
 
   ul {margin: 0;}
   li {margin-bottom: 10px;}