diff --git a/tests/lib/screenshot-testing/run-tests.js b/tests/lib/screenshot-testing/run-tests.js
index ebc6bfeb0c4..5036cecc298 100644
--- a/tests/lib/screenshot-testing/run-tests.js
+++ b/tests/lib/screenshot-testing/run-tests.js
@@ -63,5 +63,5 @@ async function main() {
     // headless.
     mocha.addFile(path.join(__dirname, 'mocha-super-suite.js'));
 
-  app.runTests(mocha)
+    app.runTests(mocha)
 }