diff --git a/profiles/DerGeret/Windows/Setup.ps1 b/profiles/DerGeret/Windows/Setup.ps1
index fe880f79..c0101318 100644
--- a/profiles/DerGeret/Windows/Setup.ps1
+++ b/profiles/DerGeret/Windows/Setup.ps1
@@ -13,7 +13,7 @@ function Initialize-SetupConfig() {
         .SYNOPSIS
             Gets the XML element describing the installation partition ID.
         #>
-        Get-InstallationPartition {
+        function Get-InstallationPartition {
             $setupComponent.SelectSingleNode("./ua:ImageInstall/ua:OSImage/ua:InstallTo/ua:PartitionID", $namespace)
         }