diff --git a/lib/generators.js b/lib/generators.js
index ae8d21f..557d466 100644
--- a/lib/generators.js
+++ b/lib/generators.js
@@ -376,15 +376,21 @@ function _getPathParamsFromKeys(keys) {
 function _getQueryParamsFromParameters(parameters) {
     var params = [];
 
-    _.forEach(parameters, function (parameter) {
-        params.push({
-            in: parameter.in || 'parameters',
-            name: parameter.name,
-            required: parameter.required || false,
-            type: parameter.type || 'string',
-            description: parameter.description || 'This is a custom param for ' + parameter.name
-        });
-    });
+  _.forEach(parameters, function (parameter) {
+      let param
+     if(parameter.$ref){
+        param = parameter
+      }else{
+       param = {
+          in: parameter.in || 'parameters',
+          name: parameter.name,
+          required: parameter.required || false,
+          type: parameter.type || 'string',
+          description: parameter.description || 'This is a custom param for ' + parameter.name
+      }
+   }
+    params.push(param);
+  });
 
     return params;
 }