diff --git a/test/mutation.ts b/test/mutation.ts
index f21455c34..52df95c28 100644
--- a/test/mutation.ts
+++ b/test/mutation.ts
@@ -145,7 +145,7 @@ describe('Bigtable/Mutation', () => {
       assert.strictEqual(decoded.toString(), message);
     });
 
-    it('should not create a new Buffer needlessly', function() {
+    it('should not create a new Buffer needlessly', function () {
       if (process.platform === 'win32') {
         // stubbing Buffer.from does not work on Windows since sinon 15.1.0
         // TODO(@alexander-fenster): investigate and report or fix