diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index 5239c411500431..fbc04ba0c07ae9 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -440,7 +440,8 @@ class ContextifyContext {
             desc_for_sandbox->set_configurable(desc.configurable());
           }
           // Set the property on the sandbox.
-          sandbox->DefineProperty(context, property, *desc_for_sandbox);
+          sandbox->DefineProperty(context, property, *desc_for_sandbox)
+              .FromJust();
         };
 
     if (desc.has_get() || desc.has_set()) {