diff --git a/build.psm1 b/build.psm1
index b3aade4883..3b7adca6f3 100644
--- a/build.psm1
+++ b/build.psm1
@@ -2296,7 +2296,7 @@ function Start-PSBootstrap {
                 & $psInstallFile -AddToPath
             }
             if ($Package) {
-                Import-Module '$(PowerShellRoot)\tools\wix\wix.psm1'
+                Import-Module "$PSScriptRoot\tools\wix\wix.psm1"
                 $isArm64 = '$(Runtime)' -eq 'arm64'
                 Install-Wix -arm64:$isArm64
             }