diff --git a/config/themes.yml b/config/themes.yml
index 5d33b93c9b..4f4fbedb39 100644
--- a/config/themes.yml
+++ b/config/themes.yml
@@ -3,6 +3,7 @@ contrast: styles/contrast.scss
 mastodon-light: styles/mastodon-light.scss
 modern-dark: styles/modern-dark.scss
 modern-light: styles/modern-light.scss
+modern-contrast: styles/modern-contrast.scss
 full-dark: styles/full-dark.scss