diff --git a/pkgs/servers/web-apps/wordpress/packages/default.nix b/pkgs/servers/web-apps/wordpress/packages/default.nix
index 5fafdd153413..c7630cbeb1a5 100644
--- a/pkgs/servers/web-apps/wordpress/packages/default.nix
+++ b/pkgs/servers/web-apps/wordpress/packages/default.nix
@@ -43,7 +43,7 @@ let
           license,
           ...
         }@args:
-        assert lib.any (x: x == type) [
+        assert lib.elem type [
           "plugin"
           "theme"
           "language"