diff --git a/less/forum/Composer.less b/less/forum/Composer.less
index 6aba3e414..bc6ffff1b 100644
--- a/less/forum/Composer.less
+++ b/less/forum/Composer.less
@@ -288,9 +288,10 @@
 
 @media @desktop-up {
   .Composer:not(.fullScreen) {
-    margin-left: 205px;
-    margin-right: -20px;
-
+    .App--index & {
+      margin-left: 205px;
+      margin-right: -20px;
+    }
     .App--discussion & {
       margin-left: -20px;
       margin-right: 180px;