diff --git a/test/Microsoft.AspNetCore.Proxy.Test/Microsoft.AspNetCore.Proxy.Test.csproj b/test/Microsoft.AspNetCore.Proxy.Test/Microsoft.AspNetCore.Proxy.Test.csproj
index 9169898..bd7798f 100644
--- a/test/Microsoft.AspNetCore.Proxy.Test/Microsoft.AspNetCore.Proxy.Test.csproj
+++ b/test/Microsoft.AspNetCore.Proxy.Test/Microsoft.AspNetCore.Proxy.Test.csproj
@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.1;net451</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.1;net452</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp1.1</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>