diff --git a/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs b/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs
index b81b13082c020e..a4d4d887d4ecb3 100644
--- a/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs
+++ b/src/libraries/System.Net.Http/tests/FunctionalTests/SocketsHttpHandlerTest.cs
@@ -3681,7 +3681,7 @@ public sealed class SocketsHttpHandlerTest_HttpClientHandlerTest_Headers_Http11
     {
         public SocketsHttpHandlerTest_HttpClientHandlerTest_Headers_Http11(ITestOutputHelper output) : base(output) { }
 
-        [Theory]
+        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.IsNotNodeJS))]
         [InlineData("foo ", "bar ")]
         [InlineData("foo", " bar")]
         [InlineData("foo", "bar\t")]