diff --git a/views/matrix_chat/index.php b/views/matrix_chat/index.php
index f19f183e78a1278bd9df8d87c76631d5434bf924..9fc9393ed4c05ee3a5d8c6242f24544555f7ff0f 100644
--- a/views/matrix_chat/index.php
+++ b/views/matrix_chat/index.php
@@ -54,7 +54,7 @@
         <?= Assets::img('ajax-indicator-black.svg') ?>
     </div>
 <? elseif (!$noChat) : ?>
-    <? if (!Config::get()->MATRIX_USE_CHAT_IFRAME) : ?>
+    <? if (Config::get()->MATRIX_USE_CHAT_IFRAME) : ?>
         <iframe src="<?= Config::get()->MATRIX_CHATSERVER_URL ?>" width="100%" height="100%"></iframe>
     <? else : ?>
         <div class="matrix-chat-button">