diff --git a/test/AutobahnTestApp/AutobahnTestApp.csproj b/test/AutobahnTestApp/AutobahnTestApp.csproj
index cd973145bb..175f724c74 100644
--- a/test/AutobahnTestApp/AutobahnTestApp.csproj
+++ b/test/AutobahnTestApp/AutobahnTestApp.csproj
@@ -13,8 +13,11 @@
     <ProjectReference Include="..\..\src\Microsoft.AspNetCore.WebSockets\Microsoft.AspNetCore.WebSockets.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
+  <ItemGroup Condition="'$(OS)' == 'Windows_NT'">
     <PackageReference Include="Microsoft.AspNetCore.AspNetCoreModule" Version="$(MicrosoftAspNetCoreAspNetCoreModulePackageVersion)" />
+  </ItemGroup>
+
+  <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics" Version="$(MicrosoftAspNetCoreDiagnosticsPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.HttpSys" Version="$(MicrosoftAspNetCoreServerHttpSysPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="$(MicrosoftAspNetCoreServerIISIntegrationPackageVersion)" />