diff --git a/elements/x-binding/x-binding.html b/elements/x-binding/x-binding.html
index a66cc6e1..a030eed4 100644
--- a/elements/x-binding/x-binding.html
+++ b/elements/x-binding/x-binding.html
@@ -13,7 +13,7 @@
       if (element && element.bindings_) {
         var binding = element.bindings_[name];
         if (binding) {
-          return binding.path;
+          return binding.path || binding.path_;
         }
       }
     }