diff --git a/slixmpp_omemo/__init__.py b/slixmpp_omemo/__init__.py
index cc1cec3..e3bbd28 100644
--- a/slixmpp_omemo/__init__.py
+++ b/slixmpp_omemo/__init__.py
@@ -286,7 +286,8 @@ class XEP_0384(BasePlugin):
         """Store Device list"""
         device_ids = []  # type: List[int]
         items = list(items)
-        device_ids = [int(d['id']) for d in items[0]['devices']]
+        if items:
+            device_ids = [int(d['id']) for d in items[0]['devices']]
         return self._omemo.newDeviceList(str(jid), device_ids)
 
     def _receive_device_list(self, msg: Message) -> None: