diff --git a/src/Directory.Build.targets b/src/Directory.Build.targets
index 4d940b98e..9a013ab3d 100644
--- a/src/Directory.Build.targets
+++ b/src/Directory.Build.targets
@@ -8,11 +8,13 @@
           ConsoleToMsBuild="true" />
 
     <Exec Command="type $(MSBuildThisFileDirectory)ReadMe.md >> $(IntermediateOutputPath)\ReadMe.md"
-          ConsoleToMsBuild="true" />
+          ConsoleToMsBuild="true"
+          Condition="$([MSBuild]::IsOSPlatform('windows'))" />
   </Target>
 
   <Target Name="PackNuGetReadMe"
-          AfterTargets="CopyNuGetReadme">
+          AfterTargets="CopyNuGetReadme"
+          Condition="$([MSBuild]::IsOSPlatform('windows'))">
     <PropertyGroup>
       <PackageReadmeFile>ReadMe.md</PackageReadmeFile>
     </PropertyGroup>