diff --git a/lib/mongodb.js b/lib/mongodb.js
index f32ad88f9..f1b44bf67 100644
--- a/lib/mongodb.js
+++ b/lib/mongodb.js
@@ -2228,7 +2228,7 @@ MongoDB.prototype.autoupdate = function(models, cb) {
               debug('createIndex: ', index);
             }
             const callbackCreateIndex = util.callbackify(() => self
-              .collection(modelName).createIndex(index.fields || index.keys));
+              .collection(modelName).createIndex(index.fields || index.keys, index.options));
             callbackCreateIndex(indexCallback);
           },
           modelCallback,