diff --git a/fbchat/__init__.py b/fbchat/__init__.py
index 009cf57..78e55af 100644
--- a/fbchat/__init__.py
+++ b/fbchat/__init__.py
@@ -17,7 +17,7 @@ from .client import *
 
 
 __copyright__ = 'Copyright 2015 - {} by Taehoon Kim'.format(datetime.now().year)
-__version__ = '1.0.16'
+__version__ = '1.0.17'
 __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 71462b0..f149a45 100644
--- a/fbchat/graphql.py
+++ b/fbchat/graphql.py
@@ -47,17 +47,18 @@ def get_customization_info(thread):
         for k in info.get('participant_customizations', []):
             rtn['nicknames'][k['participant_id']] = k.get('nickname')
     elif info.get('participant_customizations'):
-        _id = thread.get('thread_key', {}).get('other_user_id') or thread.get('id')
-        if len(info['participant_customizations']) > 0 and info['participant_customizations'][0]['participant_id'] == _id:
-            rtn['nickname'] = info['participant_customizations'][0]
-            if len(info['participant_customizations']) > 1:
-                rtn['own_nickname'] = info['participant_customizations'][1]
-        elif len(info['participant_customizations']) > 1 and info['participant_customizations'][1]['participant_id'] == _id:
-            rtn['nickname'] = info['participant_customizations'][1]
-            if len(info['participant_customizations']) > 1:
-                rtn['own_nickname'] = info['participant_customizations'][0]
-        else:
-            raise Exception('No participant matching the user {} found: {}'.format(_id, info['participant_customizations']))
+        uid = thread.get('thread_key', {}).get('other_user_id') or thread.get('id')
+        pc = info['participant_customizations']
+        if len(pc) > 0:
+            if pc[0].get('participant_id') == uid:
+                rtn['nickname'] = pc[0].get('nickname')
+            else:
+                rtn['own_nickname'] = pc[0].get('nickname')
+        if len(pc) > 1:
+            if pc[1].get('participant_id') == uid:
+                rtn['nickname'] = pc[1].get('nickname')
+            else:
+                rtn['own_nickname'] = pc[1].get('nickname')
     return rtn
 
 def graphql_to_message(message):