diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index dbf432cda9f..af0fa110748 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -604,8 +604,8 @@ blockquote {
       (#{$topic-body-width-padding} * 2)
   );
   @media all and (max-width: 790px) {
-    // 16px is the left + right padding on .wrap in common/base/discourse.scss
-    max-width: calc(100vw - 16px);
+    // 32px is (left + right padding * 2) from .wrap in common/base/discourse.scss
+    max-width: calc(100vw - 32px);
   }
 }