diff --git a/Ooui/Iframe.cs b/Ooui/Iframe.cs
index 26a917c..ccb22b6 100644
--- a/Ooui/Iframe.cs
+++ b/Ooui/Iframe.cs
@@ -12,5 +12,7 @@
             : base ("iframe")
         {
         }
+
+        protected override bool HtmlNeedsFullEndElement => true;
     }
 }