diff --git a/vmix/vmix_service.py b/vmix/vmix_service.py
index d3ce135..5e56d5e 100644
--- a/vmix/vmix_service.py
+++ b/vmix/vmix_service.py
@@ -135,7 +135,7 @@ def change_vmix_datasource_urls(
     get_or_create_dynamic_value(1).text = "" if match_id is None else str(match_id)
 
     # value4 = operator_login
-    get_or_create_dynamic_value(2).text = "" if not operator_login else str(operator_login)
+    get_or_create_dynamic_value(3).text = "" if not operator_login else str(operator_login)
 
     return ET.tostring(root, encoding="utf-8", method="xml")