diff --git a/sites/shared/i18n/themes/nl.yaml b/sites/shared/i18n/themes/nl.yaml
index b78d17846cf..6531d599db4 100644
--- a/sites/shared/i18n/themes/nl.yaml
+++ b/sites/shared/i18n/themes/nl.yaml
@@ -5,4 +5,5 @@ lgbtqTheme: LGBTQ kleurschema
 transTheme: Trans kleurschema
 pastelTheme: Thema Pastel
 aquaTheme: Aqua Thema
+monochromeTheme: Monochrome Theme
 chooseYourTheme: Kies je thema