diff --git a/src/client/types/expression.type-renderer.jsx b/src/client/types/expression.type-renderer.jsx
index 40a74ed..7ffdcff 100644
--- a/src/client/types/expression.type-renderer.jsx
+++ b/src/client/types/expression.type-renderer.jsx
@@ -1,5 +1,5 @@
 import {makeCompilable, description as typeDescription} from '@avocado/behavior';
-import {compose, mapObject} from '@avocado/core';
+import {compose} from '@avocado/core';
 import contempo from 'contempo';
 import React from 'react';
 
@@ -104,7 +104,7 @@ const Expression = (props) => {
                                   }, event)
                                 )}
                                 options={argSpec.options}
-                                type={argSpec.type || 'any'}
+                                type={argSpec.type}
                                 value={arg}
                               />
                             </label>