diff --git a/AsbCloudApp/CyclycArray.cs b/AsbCloudApp/CyclycArray.cs
index 472957f1..f47edc5b 100644
--- a/AsbCloudApp/CyclycArray.cs
+++ b/AsbCloudApp/CyclycArray.cs
@@ -91,7 +91,7 @@ namespace System.Collections.Generic
             get
             {
                 if (used == 0)
-                    return default;
+                    throw new IndexOutOfRangeException();
 
                 var i = (current + 1 + index) % used;
                 return array[i];