--- a/mobile/chrome/content/bindings/browser.js
+++ b/mobile/chrome/content/bindings/browser.js
@@ -271,17 +271,17 @@ let DOMEvents =  {
         break;
 
       case "DOMLinkAdded":
         let target = aEvent.originalTarget;
         if (!target.href || target.disabled)
           return;
 
         let json = {
-          location: document.documentURIObject.spec,
+          windowId: target.ownerDocument.defaultView.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).currentInnerWindowID,
           href: target.href,
           charset: document.characterSet,
           title: target.title,
           rel: target.rel,
           type: target.type
         };
 
         sendSyncMessage("DOMLinkAdded", json);

--- a/mobile/chrome/content/bindings/browser.xml
+++ b/mobile/chrome/content/bindings/browser.xml
@@ -111,17 +111,18 @@
               break;
 
             case "DOMTitleChanged":
               this._contentTitle = aMessage.json.title;
               break;
 
             case "DOMLinkAdded":
               let link = aMessage.json;
-              if (link.location != this._documentURI)
+              // ignore results from subdocuments
+              if (link.windowId != this.contentWindowId)
                 return {};
 
               let linkType = this._getLinkType(link);
               switch(linkType) {
                 case "icon":
                   let iconURI = gIOService.newURI(link.href, link.charset, null);
                   if (!iconURI.schemeIs("javascript") && !gFaviconService.isFailedFavicon(iconURI)) {
                     gFaviconService.setAndLoadFaviconForPage(this.currentURI, iconURI, true);