diff --git a/tools/npm/check-node-modules.js b/tools/npm/check-node-modules.js
old mode 100755
new mode 100644
index f4e72492fe..d644741b30
--- a/tools/npm/check-node-modules.js
+++ b/tools/npm/check-node-modules.js
@@ -17,8 +17,7 @@ var PROJECT_ROOT = path.join(__dirname, '../../');
 // tslint:disable:no-console
 function checkNodeModules(logOutput, purgeIfStale) {
   var yarnCheck = childProcess.spawnSync(
-      'yarn check --integrity',
-      {shell: true, cwd: path.resolve(__dirname, '../..')});
+      'yarn check --integrity', {shell: true, cwd: path.resolve(__dirname, '../..')});
 
   var nodeModulesOK = yarnCheck.status === 0;
   if (nodeModulesOK) {