diff --git a/src/Xunit.NetCore.Extensions/Xunit.NetCore.Extensions.csproj b/src/Xunit.NetCore.Extensions/Xunit.NetCore.Extensions.csproj
index e62c73f4b0a..6bc9b9cbc4d 100644
--- a/src/Xunit.NetCore.Extensions/Xunit.NetCore.Extensions.csproj
+++ b/src/Xunit.NetCore.Extensions/Xunit.NetCore.Extensions.csproj
@@ -1,9 +1,10 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>$(LibraryTargetFrameworks)</TargetFrameworks>
     <CLSCompliant>false</CLSCompliant>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsShipping>false</IsShipping>
+    <IsTestProject>false</IsTestProject><!-- while this project references xunit it isn't itself a test -->
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="xunit.core" />