diff --git a/src/libraries/System.Runtime/tests/System/DoubleTests.cs b/src/libraries/System.Runtime/tests/System/DoubleTests.cs
index 30d97ba58e3f6a..e7c373d6225da1 100644
--- a/src/libraries/System.Runtime/tests/System/DoubleTests.cs
+++ b/src/libraries/System.Runtime/tests/System/DoubleTests.cs
@@ -551,6 +551,7 @@ public static void IsNormal(double d, bool expected)
         }
 
         [Theory]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/38455", TestRuntimes.CoreCLR)]
         [InlineData(double.NegativeInfinity, false)]    // Negative Infinity
         [InlineData(double.MinValue, false)]            // Min Negative Normal
         [InlineData(-2.2250738585072014E-308, false)]   // Max Negative Normal