diff --git a/build/windows/package_msi.ps1 b/build/windows/package_msi.ps1
index bcc215d7..694ea924 100644
--- a/build/windows/package_msi.ps1
+++ b/build/windows/package_msi.ps1
@@ -66,7 +66,7 @@ Push-Location -Path "target\msi\Release\"
 
 echo "Making versioned installed copy"
 
-cp "nrjmx.msi" "nrjmx-$arch.$version.msi"
-mv "nrjmx.msi" "nrjmx-$arch.msi"
+Copy-Item "nrjmx.msi" "nrjmx-$arch.$version.msi"
+Move-Item "nrjmx.msi" "nrjmx-$arch.msi"
 
 Pop-Location
diff --git a/build/windows/pkg/windows/nrjmx-installer.wixproj b/build/windows/pkg/windows/nrjmx-installer.wixproj
index ab717059..bf25c3fa 100644
--- a/build/windows/pkg/windows/nrjmx-installer.wixproj
+++ b/build/windows/pkg/windows/nrjmx-installer.wixproj
@@ -34,7 +34,7 @@
     <Import Project="$(WixTargetsPath)"/>
     <Target Name="SignInstaller">
         <Exec Command="&quot;$(SignToolPath)signtool.exe&quot; sign /d &quot;New Relic NRJMX&quot; /a &quot;$(OutputPath)$(OutputName).msi&quot;"/>
-        <Copy SourceFiles="$(OutputPath)$(OutputName).msi" DestinationFiles="$(OutputPath)$(OutputName).x.y.z.msi"/>
+        <Copy SourceFiles="$(OutputPath)$(OutputName).msi" DestinationFiles="$(OutputPath)$(OutputName).msi"/>
     </Target>
     <Target Name="AfterBuild" DependsOnTargets="SignInstaller" Condition=" '$(SkipSigning)' == 'False' " />
 </Project>