diff --git a/extensions/openai/image-generation-provider.test.ts b/extensions/openai/image-generation-provider.test.ts
index bacdb195adf..bfcbc4199e6 100644
--- a/extensions/openai/image-generation-provider.test.ts
+++ b/extensions/openai/image-generation-provider.test.ts
@@ -1163,7 +1163,7 @@ describe("openai image generation provider", () => {
       ],
     });
 
-    const body = postJsonRequestMock.mock.calls.at(0)?.[0].body as {
+    const body = postJsonRequestMock.mock.calls[0]?.[0].body as {
       input: Array<{ content: Array<Record<string, string>> }>;
     };
     expect(body.input[0]?.content).toEqual([
@@ -1192,7 +1192,7 @@ describe("openai image generation provider", () => {
     });
 
     expect(postJsonRequestMock).toHaveBeenCalledTimes(2);
-    const firstBody = postJsonRequestMock.mock.calls.at(0)?.[0].body as {
+    const firstBody = postJsonRequestMock.mock.calls[0]?.[0].body as {
       tools: Array<Record<string, unknown>>;
     };
     expect(firstBody.tools[0]).toEqual({