diff --git a/packages/playwright-ct-vue/index.d.ts b/packages/playwright-ct-vue/index.d.ts
index 684e7a1e89..dca274ef15 100644
--- a/packages/playwright-ct-vue/index.d.ts
+++ b/packages/playwright-ct-vue/index.d.ts
@@ -34,9 +34,11 @@ export type PlaywrightTestConfig = Omit<BasePlaywrightTestConfig, 'use'> & {
   }
 };
 
+type Slot = string | string[];
+
 export interface MountOptions<Props = Record<string, unknown>> {
   props?: Props,
-  slots?: Record<string, unknown>,
+  slots?: Record<string, Slot> & { default?: Slot };
   on?: Record<string, Function>,
   hooksConfig?: any,
 }