diff --git a/scripts/build-windows-installer.sh b/scripts/build-windows-installer.sh
index d842ef7e..01b7e0e8 100755
--- a/scripts/build-windows-installer.sh
+++ b/scripts/build-windows-installer.sh
@@ -9,4 +9,4 @@ dotnet tool install --global wix
 wix extension add WixToolset.Ui.wixex
 
 # build the installer
-wix build -pdbtype none -arch x64 -d PackageVersion=$VERSION main.wxs -o halloy-installer.msi -ext .\.wix\extensions\WixToolset.Ui.wixext\5.0.1\wixext5\WixToolset.UI.wixext.dll
\ No newline at end of file
+wix build -pdbtype none -arch x64 -d PackageVersion=$VERSION main.wxs -o halloy-installer.msi -ext ./.wix/extensions/WixToolset.Ui.wixext/5.0.1/wixext5/WixToolset.UI.wixext.dll