diff --git a/src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.targets b/src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.targets
index 2caffb5f..370a269c 100644
--- a/src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.targets
+++ b/src/Microsoft.Sbom.Targets/Microsoft.Sbom.Targets.targets
@@ -49,10 +49,10 @@
- $(PackageOutputPath)\$(PackageId).$(PackageVersion).nupkg
+ $([System.IO.Path]::Combine($(PackageOutputPath), $(PackageId).$(PackageVersion).nupkg))
- $(PackageOutputPath)\$(PackageId).$(PackageVersion).$(UnzipGuid).temp
+ $([System.IO.Path]::Combine($(PackageOutputPath), $(PackageId).$(PackageVersion).$(UnzipGuid).temp))