diff --git a/types/mongoose/mongoose-tests.ts b/types/mongoose/mongoose-tests.ts
index 0e8ade55ed..8530aa5717 100644
--- a/types/mongoose/mongoose-tests.ts
+++ b/types/mongoose/mongoose-tests.ts
@@ -1213,12 +1213,13 @@ MongoModel.find({}).$where('indexOf("val") !== -1').exec(function (err, docs) {
   docs[0].__v;
 });
 MongoModel.findById(999, function (err, doc) {
+  var handleSave = function(err: Error, product: mongoose.Document, numAffected: number) {};
   doc.increment();
-  doc.save(cb).then(cb).catch(cb);
-  doc.save({ validateBeforeSave: false }, cb).then(cb).catch(cb);
-  doc.save({ safe: true }, cb).then(cb).catch(cb);
-  doc.save({ safe: { w: 2, j: true } }, cb).then(cb).catch(cb);
-  doc.save({ safe: { w: 'majority', wtimeout: 10000 } }, cb).then(cb).catch(cb);
+  doc.save(handleSave).then(cb).catch(cb);
+  doc.save({ validateBeforeSave: false }, handleSave).then(cb).catch(cb);
+  doc.save({ safe: true }, handleSave).then(cb).catch(cb);
+  doc.save({ safe: { w: 2, j: true } }, handleSave).then(cb).catch(cb);
+  doc.save({ safe: { w: 'majority', wtimeout: 10000 } }, handleSave).then(cb).catch(cb);
 });
 MongoModel = (new MongoModel()).model('MongoModel');
 var mongoModel = new MongoModel();