diff --git a/fbchat/__init__.py b/fbchat/__init__.py
index cbff6337..dc14167d 100644
--- a/fbchat/__init__.py
+++ b/fbchat/__init__.py
@@ -17,7 +17,7 @@
 
 
 __copyright__ = 'Copyright 2015 - {} by Taehoon Kim'.format(datetime.now().year)
-__version__ = '1.3.3'
+__version__ = '1.3.4'
 __license__ = 'BSD'
 __author__ = 'Taehoon Kim; Moreels Pieter-Jan; Mads Marquart'
 __email__ = 'carpedm20@gmail.com'
diff --git a/fbchat/graphql.py b/fbchat/graphql.py
index a0b95000..323a0467 100644
--- a/fbchat/graphql.py
+++ b/fbchat/graphql.py
@@ -181,7 +181,9 @@ def graphql_to_thread(thread):
         c_info = get_customization_info(thread)
         participants = [node['messaging_actor'] for node in thread['all_participants']['nodes']]
         user = next(p for p in participants if p['id'] == thread['thread_key']['other_user_id'])
-        last_message_timestamp = thread['last_message']['nodes'][0]['timestamp_precise']
+        last_message_timestamp = None
+        if 'last_message' in thread:
+            last_message_timestamp = thread['last_message']['nodes'][0]['timestamp_precise']
 
         return User(
             user['id'],
@@ -207,7 +209,9 @@ def graphql_to_group(group):
     if group.get('image') is None:
         group['image'] = {}
     c_info = get_customization_info(group)
-    last_message_timestamp = group['last_message']['nodes'][0]['timestamp_precise']
+    last_message_timestamp = None
+    if 'last_message' in group:
+        last_message_timestamp = group['last_message']['nodes'][0]['timestamp_precise']
     return Group(
         group['thread_key']['thread_fbid'],
         participants=set([node['messaging_actor']['id'] for node in group['all_participants']['nodes']]),