diff --git a/app/assets/stylesheets/comments.scss b/app/assets/stylesheets/comments.scss
index 81aa93e49..1ce8aade8 100644
--- a/app/assets/stylesheets/comments.scss
+++ b/app/assets/stylesheets/comments.scss
@@ -345,6 +345,9 @@ a.header-link {
       code {
         word-wrap: break-word;
       }
+      .article-body-image-wrapper img {
+        max-width: 100%;
+      }
     }
     .actions {
       text-align: right;