From 7ff3c77874bb476af654d5a6832d3393e31f2d0f Mon Sep 17 00:00:00 2001
From: RWOverdijk <r.w.overdijk@gmail.com>
Date: Thu, 23 Feb 2017 11:39:53 +0100
Subject: [PATCH] fix(aurelia-form): only validate known fields

---
 src/component/aurelia-form.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/component/aurelia-form.js b/src/component/aurelia-form.js
index de876b3..b5b3ec2 100644
--- a/src/component/aurelia-form.js
+++ b/src/component/aurelia-form.js
@@ -90,7 +90,9 @@ export class AureliaForm {
   }
 
   validate(property) {
-    return this.validationController.validate({object: this.entity, propertyName: property});
+    if (this.mapped[property]) {
+      return this.validationController.validate({object: this.entity, propertyName: property});
+    }
   }
 
   emit(event, data = {}) {