diff --git a/static/styles/night_mode.scss b/static/styles/night_mode.scss
index 723f338b5d..fb7e1ea3c7 100644
--- a/static/styles/night_mode.scss
+++ b/static/styles/night_mode.scss
@@ -517,6 +517,7 @@ on a dark background, and don't change the dark labels dark either. */
     .message_edit_content code,
     .preview_content code,
     #settings_page code,
+    #message-formatting code,
     .typeahead.dropdown-menu {
         background-color: hsl(212, 25%, 15%);
         border-color: hsla(0, 0%, 0%, 0.5);