diff --git a/tools/xabuild/xabuild.csproj b/tools/xabuild/xabuild.csproj
index fcbedb56250..1cac7d52881 100644
--- a/tools/xabuild/xabuild.csproj
+++ b/tools/xabuild/xabuild.csproj
@@ -38,6 +38,9 @@
     <Reference Include="MSBuild">
       <HintPath>$(MSBuildReferencePath)\MSBuild.$(_MSBuildExtension)</HintPath>
     </Reference>
+    <Reference Include="System.Reflection.Metadata" Condition=" '$(OS)' != 'Windows_NT' ">
+      <HintPath>$(MSBuildReferencePath)\System.Reflection.Metadata.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml" />