diff --git a/packages/moxxmpp/lib/src/xeps/xep_0384/errors.dart b/packages/moxxmpp/lib/src/xeps/xep_0384/errors.dart
index 9a54334..7c5ae75 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0384/errors.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0384/errors.dart
@@ -4,6 +4,10 @@ class UnknownOmemoError extends OmemoError {}
 
 class InvalidAffixElementsException implements Exception {}
 
+/// Internal exception that is returned when the device list cannot be
+/// fetched because the returned list is empty.
+class EmptyDeviceListException implements OmemoError {}
+
 class OmemoNotSupportedForContactException extends OmemoError {}
 
 class EncryptionFailedException implements Exception {}
diff --git a/packages/moxxmpp/lib/src/xeps/xep_0384/xep_0384.dart b/packages/moxxmpp/lib/src/xeps/xep_0384/xep_0384.dart
index 2edbb54..5d24875 100644
--- a/packages/moxxmpp/lib/src/xeps/xep_0384/xep_0384.dart
+++ b/packages/moxxmpp/lib/src/xeps/xep_0384/xep_0384.dart
@@ -535,7 +535,10 @@ class OmemoManager extends XmppManagerBase {
     final pm = getAttributes().getManagerById<PubSubManager>(pubsubManager)!;
     final result = await pm.getItems(jid.toBare(), omemoDevicesXmlns);
     if (result.isType<PubSubError>()) return Result(UnknownOmemoError());
-    return Result(result.get<List<PubSubItem>>().first.payload);
+
+    final itemList = result.get<List<PubSubItem>>();
+    if (itemList.isEmpty) return Result(EmptyDeviceListException());
+    return Result(itemList.first.payload);
   }
 
   /// Retrieves the OMEMO device list from [jid].