diff --git a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
index b6c1a164a027e..9494f33557c46 100644
--- a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
+++ b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
@@ -586,7 +586,7 @@ internal void AcknowledgeClanInvite(ulong steamID, bool acceptInvite) {
 
 		CFamilyGroups_GetFamilyGroupForUser_Response body = response.GetDeserializedResponse<CFamilyGroups_GetFamilyGroupForUser_Response>();
 
-		return body.family_group.members.Where(member => member.steamid != steamID).Select(static member => member.steamid).ToHashSet();
+		return body.family_group?.members.Where(member => member.steamid != steamID).Select(static member => member.steamid).ToHashSet() ?? [];
 	}
 
 	internal async Task<uint?> GetLevel() {