diff --git a/orchestrator/src/server/services/pdf-tailoring.test.ts b/orchestrator/src/server/services/pdf-tailoring.test.ts
index 3638819..6542606 100644
--- a/orchestrator/src/server/services/pdf-tailoring.test.ts
+++ b/orchestrator/src/server/services/pdf-tailoring.test.ts
@@ -149,7 +149,9 @@ vi.mock("./resumeProjects.js", () => ({
 
 // Mock the RxResumeClient
 vi.mock("./rxresume-client.js", () => ({
-  RxResumeClient: vi.fn().mockImplementation(function() { return mockRxResumeClient; }),
+  RxResumeClient: vi.fn().mockImplementation(function (this: any) {
+    return mockRxResumeClient;
+  }),
 }));
 
 // Mock stream pipeline for downloading PDF