diff --git a/packages/kit/src/core/make_package/test/fixtures/typescript/expected/Test.svelte.d.ts b/packages/kit/src/core/make_package/test/fixtures/typescript/expected/Test.svelte.d.ts
index f3f86dd25e28..0b7544725fbd 100644
--- a/packages/kit/src/core/make_package/test/fixtures/typescript/expected/Test.svelte.d.ts
+++ b/packages/kit/src/core/make_package/test/fixtures/typescript/expected/Test.svelte.d.ts
@@ -4,7 +4,7 @@ declare const __propDef: {
 		astring: string;
 	};
 	events: {
-		event: CustomEvent<any>;
+		event: CustomEvent<boolean>;
 	} & {
 		[evt: string]: CustomEvent<any>;
 	};
diff --git a/packages/kit/src/core/make_package/test/fixtures/typescript/src/lib/Test.svelte b/packages/kit/src/core/make_package/test/fixtures/typescript/src/lib/Test.svelte
index b73d6e03413d..b6daecd4d92b 100644
--- a/packages/kit/src/core/make_package/test/fixtures/typescript/src/lib/Test.svelte
+++ b/packages/kit/src/core/make_package/test/fixtures/typescript/src/lib/Test.svelte
@@ -2,7 +2,7 @@
     import { createEventDispatcher } from 'svelte';
     export const astring: string;
 
-    const dispatch = createEventDispatcher();
+    const dispatch = createEventDispatcher<{ event: boolean }>();
     dispatch('event', true);
 </script>