diff --git a/site/plugins/admin/lang/cs_CZ.yaml b/site/plugins/admin/lang/cs_CZ.yaml
index 503909e1..2c44655d 100644
--- a/site/plugins/admin/lang/cs_CZ.yaml
+++ b/site/plugins/admin/lang/cs_CZ.yaml
@@ -238,6 +238,7 @@ admin_registry: "Registry"
 admin_key: "Key"
 admin_value: "Value"
 admin_activate: "Activate"
+admin_deactivate: "Deactivate"
 admin_active_theme: "Active Theme"
 admin_get_more_themes: "Get More Themes"
 admin_images: "Images"