diff --git a/etherdump b/etherdump
index a50d86a..2e3da39 100755
--- a/etherdump
+++ b/etherdump
@@ -68,12 +68,26 @@ class PadServer (object):
     def getPadLastEdited (self, padID):
         data = {'apikey': self.apikey, 'padID': padID.encode("utf-8")}
         raw = json.load(urlopen(self.apiurl+'getLastEdited?'+urlencode(data)))['data']['lastEdited']
-        return datetime.fromtimestamp(int(raw)/1000)
+        try:
+            return datetime.fromtimestamp(int(raw)/1000)
+        except TypeError as e:
+            return None
 
-    def getPadURL (self, padID):
+    def getPadURL (self, padID, groupinfo=None):
         group, name = pad_split_group(padID)
         if group:
-            return self.protocol+"://"+self.hostname+"/p/"+padID 
+            gid = group
+            if gid.startswith("g."):
+                gid = gid[2:]
+            if groupinfo:
+                ginfo = groupinfo.get(gid)
+                if ginfo:
+                    groupID = ginfo.get("id", 0)
+                else:
+                    groupID = 0
+            else:
+                groupID = 0
+            return self.protocol+"://"+self.hostname+"/group.html/"+str(groupID)+"/pad.html/"+padID 
         else:
             return self.protocol+"://"+self.hostname+"/public_pad/"+padID 
 
@@ -89,7 +103,7 @@ def get_template_env (tpath=None):
     # template = env.get_template('pad.html')
     # print template.render(the='variables', go='here').encode("utf-8")
 
-def dumpPads (padserver, padids, outputpath, pub_path, group_path, sleeptime=0.01, force=False, templates=None):
+def dumpPads (padserver, padids, outputpath, pub_path, group_path, sleeptime=0.01, force=False, templates=None, groupinfo=None):
     template_env = get_template_env(templates)
     pad_template = template_env.get_template("pad.html")
     numpads = len(padids)
@@ -123,12 +137,16 @@ def dumpPads (padserver, padids, outputpath, pub_path, group_path, sleeptime=0.0
         htmlpath = fp+".html"
         metapath = fp+".json"
 
-        last_edited = padserver.getPadLastEdited(padid).isoformat()
+        last_edited = padserver.getPadLastEdited(padid)
+        if last_edited:
+            last_edited = last_edited.isoformat()
+        else:
+            last_edited = ''
 
         if os.path.exists(metapath):
             with open(metapath) as f:
                 meta = json.load(f)
-                if not force and meta.get("last_edited") == last_edited:
+                if not force and meta.get("last_edited") and meta.get("last_edited") == last_edited:
                     if verbose:
                         print("Up to date, skipping", file=sys.stderr)
                     continue
@@ -162,7 +180,7 @@ def dumpPads (padserver, padids, outputpath, pub_path, group_path, sleeptime=0.0
                 t = html5lib.parse(html, treebuilder="etree", namespaceHTMLElements=False)
                 body = t.find(".//body")
                 title = padid
-                editurl = padserver.getPadURL(padid)
+                editurl = padserver.getPadURL(padid, groupinfo)
                 meta['url'] = editurl
                 json_dump = json.dumps(meta)
                 f.write(pad_template.render(
@@ -333,6 +351,14 @@ if __name__ == "__main__":
                 print(gid)
 
     elif cmd == "dump":
+        groupinfo = None
+        if args.groupinfo:
+            with open(args.groupinfo) as gif:
+                groupinfo = json.load(gif)
+
+            if verbose:
+                print ("Using groupinfo", file=sys.stderr)
+
         start = time.time()
         padids = padserver.listAllPads()
         if args.skip:
@@ -347,7 +373,8 @@ if __name__ == "__main__":
             args.pubpath,
             args.grouppath,
             force=args.force,
-            templates=args.templates)
+            templates=args.templates,
+            groupinfo=groupinfo)
 
         if verbose:
             print ("Completed in {0:0.0f} seconds".format(time.time()-start), file=sys.stderr)