diff --git a/Deploy/Installer/pack.ps1 b/Deploy/Installer/pack.ps1
index 0c3b704c7f..be78fa44f5 100644
--- a/Deploy/Installer/pack.ps1
+++ b/Deploy/Installer/pack.ps1
@@ -1 +1,3 @@
-InnoSetup\ISCC.exe Installer.iss
+$root = (split-path -parent $MyInvocation.MyCommand.Definition) + '\..\..'
+
+& $root\Deploy\Installer\InnoSetup\ISCC.exe $root\Deploy\Installer\Installer.iss