diff --git a/plugins/chat/assets/stylesheets/common/common.scss b/plugins/chat/assets/stylesheets/common/common.scss
index a36e52e46c3..f950352abe3 100644
--- a/plugins/chat/assets/stylesheets/common/common.scss
+++ b/plugins/chat/assets/stylesheets/common/common.scss
@@ -606,8 +606,7 @@ html.has-full-page-chat {
     #main-outlet-wrapper {
       // restrict the row height, including when virtual keyboard is open
       grid-template-rows: calc(
-        var(--chat-vh, 1vh) * 100 - var(--header-offset, 0px) -
-          var(--footer-nav-height, 0px)
+        var(--chat-vh, 1vh) * 100 - var(--header-offset, 0px)
       );
       .sidebar-wrapper {
         // prevents sidebar from overflowing behind the virtual keyboard