diff --git a/test/topics/thumbs.js b/test/topics/thumbs.js
index 2c396c7794..e93663ec3e 100644
--- a/test/topics/thumbs.js
+++ b/test/topics/thumbs.js
@@ -357,7 +357,7 @@ describe('Topic thumbs', () => {
 		});
 
 		it('should fail with a non-existant tid', async () => {
-			const { response } = await helpers.uploadFile(`${nconf.get('url')}/api/v3/topics/4/thumbs`, path.join(__dirname, '../files/test.png'), {}, adminJar, adminCSRF);
+			const { response } = await helpers.uploadFile(`${nconf.get('url')}/api/v3/topics/${Number.MAX_SAFE_INTEGER}/thumbs`, path.join(__dirname, '../files/test.png'), {}, adminJar, adminCSRF);
 			assert.strictEqual(response.statusCode, 404);
 		});