diff --git a/dirs.proj b/dirs.proj
index 03fa51b3c4..e56320e73f 100644
--- a/dirs.proj
+++ b/dirs.proj
@@ -12,7 +12,7 @@
     <ProjectReference Remove="src/Android/**/*.*proj" />
     <ProjectReference Remove="samples/ControlCatalog.Android/ControlCatalog.Android.csproj" />
   </ItemGroup>
-  <ItemGroup Condition="!Exists('$(MSBuildExtensionsPath)\Xamarin\iOS')">
+  <ItemGroup Condition="!Exists('$(MSBuildExtensionsPath)\Xamarin\iOS') Or $([MSBuild]::IsOsPlatform('Windows')) ">
     <ProjectReference Remove="src/iOS/**/*.*proj" />
     <ProjectReference Remove="samples/ControlCatalog.iOS/ControlCatalog.iOS.csproj" />
   </ItemGroup>