diff --git a/.changeset/many-teachers-remain.md b/.changeset/many-teachers-remain.md
new file mode 100644
index 00000000000..3c58c5fb999
--- /dev/null
+++ b/.changeset/many-teachers-remain.md
@@ -0,0 +1,5 @@
+---
+'@apollo/server-integration-testsuite': patch
+---
+
+Recognize malformed JSON error messages from Next.js.
diff --git a/packages/integration-testsuite/src/httpServerTests.ts b/packages/integration-testsuite/src/httpServerTests.ts
index bf7cfa0426e..42e54c6cbb8 100644
--- a/packages/integration-testsuite/src/httpServerTests.ts
+++ b/packages/integration-testsuite/src/httpServerTests.ts
@@ -379,8 +379,8 @@ export function defineIntegrationTestSuiteHttpServerTests(
         return req.then((res) => {
           expect(res.status).toEqual(400);
           expect(
-            ['Unexpected token f', 'Bad Request'].some((substring) =>
-              (res.error as HTTPError).text.includes(substring),
+            ['Unexpected token f', 'Bad Request', 'Invalid JSON'].some(
+              (substring) => (res.error as HTTPError).text.includes(substring),
             ),
           ).toBe(true);
         });