diff --git a/trademark/models.py b/trademark/models.py
index b8884b5..7e114b7 100644
--- a/trademark/models.py
+++ b/trademark/models.py
@@ -175,7 +175,7 @@ class Search(models.Model):
                 continue
 
             try:
-                tm = Trademark.objects.get(ext_id=trademark['id'].encode('utf-8'))
+                tm = Trademark.objects.get(ext_id=trademark['id'])
                 result = SearchResult(search=self, trademark=tm, similarity=trademark['siml'])
                 result.save()
                 continue
@@ -195,7 +195,7 @@ class Search(models.Model):
                 application_at=trademark['dateapp'],
                 registration_at=trademark['datereg'],
 
-                ext_id=trademark['id'].encode('utf-8'),
+                ext_id=trademark['id'],
                 access_key=trademark['access_key']
             )
 
@@ -222,7 +222,7 @@ class Search(models.Model):
         details = TrademarkAPI.get_details(ids=trademark_ids, keys=trademark_keys)
 
         for key, trademark in details.iteritems():
-            instance = Trademark.objects.get(ext_id=trademark['id'].encode('utf-8'))
+            instance = Trademark.objects.get(ext_id=trademark['id'])
             # instance.owner.name = trademark['owner'][0]['name']
             instance.source_url = trademark.get('source', '')
             instance.expiration_at = trademark.get('dateexp', '')