diff --git a/config/locales/en.yml b/config/locales/en.yml
index af05dc07ff..66148cfefe 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -2282,6 +2282,7 @@ en:
     default: Mastodon (Dark)
     modern-dark: Modern Dark
     modern-light: Modern Light
+    modern-contrast: Modern Contrast
     full-dark: Full Dark
     mastodon-light: Mastodon (Light)
     system: Automatic (use system theme)