diff --git a/apps/showcase/doc/theming/darkmodedoc.ts b/apps/showcase/doc/theming/darkmodedoc.ts
index f246f1847f2..906fd6304ed 100644
--- a/apps/showcase/doc/theming/darkmodedoc.ts
+++ b/apps/showcase/doc/theming/darkmodedoc.ts
@@ -38,7 +38,9 @@ export class DarkModeDoc {
         typescript: `providePrimeNG({ 
     theme: {
         preset: Aura,
-        darkModeSelector: '.my-app-dark'
+        options: {
+            darkModeSelector: '.my-app-dark'
+        }
     }
 })`
     };