diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc
index 4c229a72222..6c4b9458696 100644
--- a/CHANGELOG.rdoc
+++ b/CHANGELOG.rdoc
@@ -16,6 +16,7 @@
   * XML::Node#{replace,add_previous_sibling,add_next_sibling} edge cases fixed related to libxml's text node merging. #308
   * Fixed a segfault when GC occurs during xpath handler argument marshalling. #345
   * Added hack to Slop decorator to work with previously defined methods. #330
+  * Fix a memory leak when duplicating child nodes. #353
 
 === 1.4.3 / 2010/07/28
 
diff --git a/ext/nokogiri/xml_node.c b/ext/nokogiri/xml_node.c
index 782f84b3dbb..5fa8713f6ea 100644
--- a/ext/nokogiri/xml_node.c
+++ b/ext/nokogiri/xml_node.c
@@ -377,6 +377,8 @@ static VALUE duplicate_node(int argc, VALUE *argv, VALUE self)
   dup = xmlDocCopyNode(node, node->doc, (int)NUM2INT(level));
   if(dup == NULL) return Qnil;
 
+  NOKOGIRI_ROOT_NODE(dup);
+
   return Nokogiri_wrap_xml_node(rb_obj_class(self), dup);
 }