diff --git a/src/ProjectTemplates/Web.ProjectTemplates/RazorClassLibrary-CSharp.csproj.in b/src/ProjectTemplates/Web.ProjectTemplates/RazorClassLibrary-CSharp.csproj.in
index 78d4ceaeae..3ddb38c8ba 100644
--- a/src/ProjectTemplates/Web.ProjectTemplates/RazorClassLibrary-CSharp.csproj.in
+++ b/src/ProjectTemplates/Web.ProjectTemplates/RazorClassLibrary-CSharp.csproj.in
@@ -9,6 +9,10 @@
   <ItemGroup Condition="'$(SupportPagesAndViews)' == 'True'">
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
+  
+  <ItemGroup Condition="'$(SupportPagesAndViews)' == 'False'">
+    <SupportedPlatform Include="browser" />
+  </ItemGroup>
 
   <ItemGroup Condition="'$(SupportPagesAndViews)' != 'True'">
     <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="${MicrosoftAspNetCoreComponentsWebPackageVersion}" />