 
     # saves the URL of the previous request to avoid
     # multiple embed calls for one URL
-    @previousURL = []
+    @previousURL = ""
 
     # prevents multiple calls to embed.ly functionality
     # at the same time


          @embedBox.embedLinks.setLinks firstUrl

          unless @previousURL is firstUrl
            @embedBox.embedUrl firstUrl?[0], {
              maxWidth: 525
            }, (embedData)=>

              @embedLinks?.linkList?.items?[0]?.setFavicon embedData.favicon_url

              @requestEmbedLock = off
              @previousURL = firstUrl?[0]
          else
            @requestEmbedLock = off
        else
          @requestEmbedLock = off
      ,50
