diff --git a/fxjs/xfa/cjx_object.cpp b/fxjs/xfa/cjx_object.cpp
index b9a2160..7542e8a 100644
--- a/fxjs/xfa/cjx_object.cpp
+++ b/fxjs/xfa/cjx_object.cpp
@@ -460,13 +460,15 @@
     return;
   }
 
+  CFX_XMLElement* elem = ToXMLElement(xfaObj->GetXMLMappingNode());
+  if (!elem) {
+    return;
+  }
+
   WideString wsAttrName = WideString::FromASCII(XFA_AttributeToName(eAttr));
   if (eAttr == XFA_Attribute::ContentType)
     wsAttrName = L"xfa:" + wsAttrName;
-
-  CFX_XMLElement* elem = ToXMLElement(xfaObj->GetXMLMappingNode());
   elem->SetAttribute(wsAttrName, wsValue);
-  return;
 }
 
 void CJX_Object::SetAttributeValue(const WideString& wsValue,