diff --git a/Enable-HyperVFeatures.ps1 b/Enable-HyperVFeatures.ps1
index 439fdb5..b47ae70 100644
--- a/Enable-HyperVFeatures.ps1
+++ b/Enable-HyperVFeatures.ps1
@@ -6,7 +6,7 @@ If ( IsWindowsVersion -lt "10.0" ) { Return }
 
 # Exit if the endpoint is not running the Pro/Enterprise version of Windows
 $Edition = ($(systeminfo | findstr /B /C:"OS Name") -replace "OS Name:","").Trim()
-If ( ($Edition -notcontains "Pro") -and ($Edition -notcontains "Enterprise") ) { Return }
+If ( ($Edition -notmatch "Pro") -and ($Edition -notmatch "Enterprise") ) { Return }
 
 # Exit if Hyper-V is already enabled
 If ( (Get-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V).State -eq "Enabled" ) { Return }