diff --git a/esxi-scripts/set-drs.ps1 b/esxi-scripts/set-drs.ps1
index 6a88f24f..9cb1a2a7 100755
--- a/esxi-scripts/set-drs.ps1
+++ b/esxi-scripts/set-drs.ps1
@@ -11,7 +11,7 @@ $spec.DrsConfig = New-Object VMware.Vim.ClusterDrsConfigInfo
 $spec.DrsConfig.Option = New-Object VMware.Vim.OptionValue[] (1)
 $spec.DrsConfig.Option[0] = New-Object VMware.Vim.OptionValue
 $spec.DrsConfig.Option[0].Key = 'MaxVcpusPerCore'
-$spec.DrsConfig.Option[1].Value = "3"
+$spec.DrsConfig.Option[0].Value = "3"
 
 $modify = $true
 $cluster_ID= Get-Cluster -Name "iDS-Cluster"