diff --git a/packages/entity/index.js b/packages/entity/index.js
index 303886c..4a83377 100644
--- a/packages/entity/index.js
+++ b/packages/entity/index.js
@@ -27,16 +27,14 @@ class TraitProxy {
   }
 
   set(entity, property, value, receiver) {
-    if (property in entity) {
+    if (
+      (property in entity)
+      || !entity._traits.setProperty(property, value, receiver)
+    ) {
       return Reflect.set(entity, property, value, receiver);
     }
     else {
-      if (!entity._traits.setProperty(property, value, receiver)) {
-        return Reflect.set(entity, property, value, receiver);
-      }
-      else {
-        return true;
-      }
+      return true;
     }
   }