diff --git a/lib/adapters/mongoose.js b/lib/adapters/mongoose.js
index c541a621..acd2c1e1 100644
--- a/lib/adapters/mongoose.js
+++ b/lib/adapters/mongoose.js
@@ -48,8 +48,12 @@ function MongooseAdapter(client) {
 MongooseAdapter.prototype.define = function (descr) {
     var props = {};
     Object.keys(descr.properties).forEach(function (key) {
-        props[key] = descr.properties[key].type;
-        if (props[key].name === 'Text' || props[key].name === 'JSON') props[key] = String;
+        props[key]      = {};
+        props[key].type = descr.properties[key].type;
+        if (props[key].type.name === 'Text' || props[key].type.name === 'JSON') props[key].type = String;        
+        if (descr.properties[key].index) {
+            props[key].index = descr.properties[key].index;
+        }
     });
     var schema = new mongoose.Schema(props);
     this._models[descr.model.modelName] = mongoose.model(descr.model.modelName, schema);