diff --git a/AttendanceTestMode.cs b/AttendanceTestMode.cs
index acb5c98..501f878 100644
--- a/AttendanceTestMode.cs
+++ b/AttendanceTestMode.cs
@@ -144,6 +144,7 @@ internal static class AttendanceTestMode
             Console.WriteLine($"Exporting ALL face + fingerprint templates via ISAPI: device={exportAllIsapiDeviceId}, pageSize={exportAllIsapiPageSize}, maxUsers={exportAllIsapiMaxUsers}");
 
             string jsonPath = "";
+            int discoveredUsers = 0;
             string exportErr = "";
             bool exportOk = await Task.Run(() =>
                 manager.TryExportAllUsersTemplatesToIsapiFile(
@@ -153,6 +154,7 @@ internal static class AttendanceTestMode
                     exportAllIsapiMaxUsers,
                     cts.Token,
                     out jsonPath,
+                    out discoveredUsers,
                     out exportErr), cts.Token).ConfigureAwait(false);
 
             if (exportOk)