diff --git a/Tools.ps1 b/Tools.ps1
index 7b920fb..e6e7929 100644
--- a/Tools.ps1
+++ b/Tools.ps1
@@ -894,7 +894,7 @@ Function Get-GUIDFromMSIUninstallString ([string]$str) {
     If ( $retval.Length -ne 36 ) { $retval = $null }
     Return $retval
 }
-Function Uninstall-MSI {
+Function Test-Uninstall-MSI {
     param(
         [Parameter(ValueFromPipeline=$true,Mandatory=$true)][string[]]$APP_NAMES,
         [Parameter(ValueFromPipeline=$false,Mandatory=$false)][switch]$Match,