diff --git a/src/Umbraco.Web.UI.Client/src/app.ts b/src/Umbraco.Web.UI.Client/src/app.ts
index 765e71c826..465225c88d 100644
--- a/src/Umbraco.Web.UI.Client/src/app.ts
+++ b/src/Umbraco.Web.UI.Client/src/app.ts
@@ -1,4 +1,4 @@
-import './core/css/custom-properties.css';
+import '@umbraco-cms/css/custom-properties.css';
 import 'router-slot';
 
 // TODO: remove these imports when they are part of UUI
diff --git a/src/Umbraco.Web.UI.Client/tsconfig.json b/src/Umbraco.Web.UI.Client/tsconfig.json
index 3aa65a0f78..c961552417 100644
--- a/src/Umbraco.Web.UI.Client/tsconfig.json
+++ b/src/Umbraco.Web.UI.Client/tsconfig.json
@@ -30,6 +30,7 @@
       "@umbraco-cms/extensions-api": ["src/core/extensions-api"],
       "@umbraco-cms/observable-api": ["src/core/observable-api"],
       "@umbraco-cms/utils": ["src/core/utils"],
+      "@umbraco-cms/css/*": ["src/core/css/*"],
     },
   },
   "include": [