diff --git a/lib/util/http/github.spec.ts b/lib/util/http/github.spec.ts
index 9f9340264c4614b45b529500553a8f5f27e6f3eb..abd17fc5061071f3abdf8c486fc5e76eed752e16 100644
--- a/lib/util/http/github.spec.ts
+++ b/lib/util/http/github.spec.ts
@@ -280,6 +280,7 @@ describe('util/http/github', () => {
           })
         ).rejects.toThrow('Validation error');
       });
+
       it('should throw original error of unknown type', async () => {
         await expect(
           fail(418, {
@@ -491,6 +492,23 @@ describe('util/http/github', () => {
       expect(trace).toHaveLength(4);
       expect(trace).toMatchSnapshot();
     });
+
+    it('continues to iterate with a lower page size on error 502', async () => {
+      httpMock
+        .scope(githubApiHost)
+        .post('/graphql')
+        .reply(502)
+        .post('/graphql')
+        .reply(200, page1)
+        .post('/graphql')
+        .reply(200, page2)
+        .post('/graphql')
+        .reply(200, page3);
+
+      const items = await githubApi.queryRepoField(graphqlQuery, 'testItem');
+      expect(items).toHaveLength(3);
+    });
+
     it('throws on 50x if count < 10', async () => {
       httpMock.scope(githubApiHost).post('/graphql').reply(500);
       await expect(