diff --git a/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets b/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
index 81a1f752d53..8119fe34ff5 100755
--- a/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
+++ b/src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets
@@ -999,6 +999,7 @@ because xbuild doesn't support framework reference assemblies.
 	<_PropertyCacheItems Include="AndroidUseLatestPlatformSdk=$(AndroidUseLatestPlatformSdk)" />
 	<_PropertyCacheItems Include="TargetFrameworkVersion=$(TargetFrameworkVersion)" />
 	<_PropertyCacheItems Include="AndroidCreatePackagePerAbi=$(AndroidCreatePackagePerAbi)" />
+	<_PropertyCacheItems Include="OS=$(OS)" />
 </ItemGroup>
 
 <Target Name="_ReadPropertiesCache">