diff --git a/Deploy-ZabbixAgent2.ps1 b/Deploy-ZabbixAgent2.ps1
index 050782a..a8a7ae9 100644
--- a/Deploy-ZabbixAgent2.ps1
+++ b/Deploy-ZabbixAgent2.ps1
@@ -6,7 +6,7 @@ $ErrorActionPreference = "Stop"
 
 # --- 1. Versioned Idempotency Check ---
 $markerDir = "C:\ProgramData\Zabbix"
-$marker    = "$markerDir\installed_v2.flag"
+$marker    = "$markerDir\installed_v3.flag"
 $service   = Get-Service -Name "Zabbix Agent 2" -ErrorAction SilentlyContinue
 
 if ((Test-Path $marker) -and ($service -and $service.Status -eq "Running")) {