diff --git a/lib/helpers/schema/applyWriteConcern.js b/lib/helpers/schema/applyWriteConcern.js
index eee4bee51b1..bf5511d55e9 100644
--- a/lib/helpers/schema/applyWriteConcern.js
+++ b/lib/helpers/schema/applyWriteConcern.js
@@ -6,7 +6,7 @@ module.exports = function applyWriteConcern(schema, options) {
   const writeConcern = options.writeConcern ? options : get(schema, 'options.writeConcern', {});
   if (Object.keys(writeConcern).length != 0) {
     if (!options.writeConcern) {
-      options.writeConcern = {}; 
+      options.writeConcern = {};
     }
     if (!('w' in options) && writeConcern.w != null) {
       options.writeConcern.w = writeConcern.w;
diff --git a/test/helpers/applyWriteConcern.test.js b/test/helpers/applyWriteConcern.test.js
index fffeaaac6b9..9035ff786cc 100644
--- a/test/helpers/applyWriteConcern.test.js
+++ b/test/helpers/applyWriteConcern.test.js
@@ -19,15 +19,15 @@ describe('applyWriteConcern', function() {
     const Test = db.model('Test', testSchema);
     await Test.create({ name: 'Test Testerson' });
     applyWriteConcern(testSchema, options);
-    assert.deepStrictEqual({ writeConcern: { w:'majority' } }, options);
+    assert.deepStrictEqual({ writeConcern: { w: 'majority' } }, options);
     await Test.deleteMany({}, options);
-    assert.deepStrictEqual({ writeConcern: { w:'majority' } }, options);
+    assert.deepStrictEqual({ writeConcern: { w: 'majority' } }, options);
     await Test.deleteMany({});
     /**
      * Because no options were passed in, it is using the schema level writeConcern options.
      * However, because we are ensuring that user specified options are not being overwritten,
      * this is the only reasonable way to test this case as our options object should not match the schema options.
      */
-    assert.deepStrictEqual({ writeConcern: { w:'majority' } }, options);
+    assert.deepStrictEqual({ writeConcern: { w: 'majority' } }, options);
   });
-});
\ No newline at end of file
+});