diff --git a/modules/renderer/renderer-attribute.js b/modules/renderer/renderer-attribute.js
index ab38e5e..97125e6 100644
--- a/modules/renderer/renderer-attribute.js
+++ b/modules/renderer/renderer-attribute.js
@@ -75,7 +75,6 @@ export default class AttributeRenderer extends Renderer {
         // as they can be upgraded at any point
         const property = name in names ? names[name] : name;
         if (property
-            && !this.isCustomElement
             && (property in element)
             && isWritableProperty(property, element)) {
             this.property = property;
diff --git a/scope/scope-fns-ext.js b/scope/scope-fns-ext.js
index 7aaa2f9..2e9e04f 100644
--- a/scope/scope-fns-ext.js
+++ b/scope/scope-fns-ext.js
@@ -1,6 +1,7 @@
 
 export { default as by          } from 'fn/by.js';
 export { clamp                  } from 'fn/clamp.js';
+export { wrap                   } from 'fn/wrap.js';
 export { default as deg         } from 'fn/to-deg.js';
 export { default as rad         } from 'fn/to-rad.js';
 export { default as equals      } from 'fn/equals.js';