diff --git a/test/ServerComparison.TestSites/ServerComparison.TestSites.csproj b/test/ServerComparison.TestSites/ServerComparison.TestSites.csproj
index 54cc960912..48cbaaf1c4 100644
--- a/test/ServerComparison.TestSites/ServerComparison.TestSites.csproj
+++ b/test/ServerComparison.TestSites/ServerComparison.TestSites.csproj
@@ -5,8 +5,11 @@
     <RuntimeIdentifiers>win7-x86;win7-x64;linux-x64;osx-x64</RuntimeIdentifiers>
   </PropertyGroup>
 
-  <ItemGroup>
+  <ItemGroup Condition="'$(OS)' == 'Windows_NT'">
     <PackageReference Include="Microsoft.AspNetCore.AspNetCoreModule" Version="$(MicrosoftAspNetCoreAspNetCoreModulePackageVersion)" />
+  </ItemGroup>
+  
+  <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.ResponseCompression" Version="$(MicrosoftAspNetCoreResponseCompressionPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.HttpSys" Version="$(MicrosoftAspNetCoreServerHttpSysPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="$(MicrosoftAspNetCoreServerIISIntegrationPackageVersion)" />