diff --git a/scripts/main.ps1 b/scripts/main.ps1
index 7d07ffb6..e847644b 100644
--- a/scripts/main.ps1
+++ b/scripts/main.ps1
@@ -10,7 +10,7 @@ $InitialSessionState = [System.Management.Automation.Runspaces.InitialSessionSta
 $InitialSessionState.Variables.Add($hashVars)
 
 # Get every private function and add them to the session state
-$functions = (Get-ChildItem function:\).where{$_.name -like "*winutil*" -or $_.name -like "*WPF*"}
+$functions = Get-ChildItem function:\ | Where-Object { $_.Name -imatch 'winutil|Microwin|WPF' }
 foreach ($function in $functions) {
     $functionDefinition = Get-Content function:\$($function.name)
     $functionEntry = New-Object System.Management.Automation.Runspaces.SessionStateFunctionEntry -ArgumentList $($function.name), $functionDefinition