diff --git a/modules/itip-formatter/itip-view.c b/modules/itip-formatter/itip-view.c
index 92e6ca5333..a434e1695f 100644
--- a/modules/itip-formatter/itip-view.c
+++ b/modules/itip-formatter/itip-view.c
@@ -1660,7 +1660,7 @@ itip_view_create_dom_bindings (ItipView *view,
 	WebKitDOMDocument *doc;
 
 	doc = webkit_dom_node_get_owner_document (WEBKIT_DOM_NODE (element));
-	view->priv->dom_document = doc;
+	view->priv->dom_document = g_object_ref (doc);
 
 	el = webkit_dom_document_get_element_by_id (doc, CHECKBOX_RECUR);
 	if (el) {