diff --git a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultClaimUidExtractorTest.cs b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultClaimUidExtractorTest.cs
index 59e2d3a3ac..5b694ace88 100644
--- a/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultClaimUidExtractorTest.cs
+++ b/test/Microsoft.AspNetCore.Antiforgery.Test/Internal/DefaultClaimUidExtractorTest.cs
@@ -60,7 +60,7 @@ namespace Microsoft.AspNetCore.Antiforgery.Internal
             identity.AddClaim(new Claim(ClaimTypes.Email, "someone@antifrogery.com"));
             identity.AddClaim(new Claim(ClaimTypes.GivenName, "some"));
             identity.AddClaim(new Claim(ClaimTypes.Surname, "one"));
-#if DNX451
+#if NET451
             // CoreCLR doesn't support an 'empty' name
             identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, string.Empty));
 #endif