diff --git a/packages/core/src/factory/request-events.test-d.ts b/packages/core/src/factory/request-events.test-d.ts
index 46808b6..f98e0fb 100644
--- a/packages/core/src/factory/request-events.test-d.ts
+++ b/packages/core/src/factory/request-events.test-d.ts
@@ -30,7 +30,7 @@ describe('path-param inference (B2)', () => {
   });
 
   it('ctx.request enforces path params at the call site', () => {
-    const ctx = undefined as unknown as ModuleContext;
+    declare const ctx: ModuleContext;
     // Valid: matching param present.
     expectTypeOf(
       ctx.request<{ id: number }>({