diff --git a/PInvoke/Kernel32/SysInfoApi.cs b/PInvoke/Kernel32/SysInfoApi.cs
index 83ebe45f..ada9254b 100644
--- a/PInvoke/Kernel32/SysInfoApi.cs
+++ b/PInvoke/Kernel32/SysInfoApi.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using Vanara.Extensions;
@@ -1229,7 +1230,7 @@ namespace Vanara.PInvoke
 				(ref uint sz) => BoolToLastErr(GetLogicalProcessorInformationEx(RelationshipType, IntPtr.Zero, ref sz) || sz > 0),
 				(IntPtr p, ref uint sz) => BoolToLastErr(GetLogicalProcessorInformationEx(RelationshipType, p, ref sz)),
 				out info,
-				(p, sz) => p.ToArray<SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX>((int)sz / Marshal.SizeOf(typeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX))));
+				(p, sz) => p.LinkedListToIEnum<SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX>(i => i.Size, sz).ToArray());
 		}
 
 		/// <summary>
diff --git a/UnitTests/PInvoke/Kernel32/SysInfoTests.cs b/UnitTests/PInvoke/Kernel32/SysInfoTests.cs
index a35b9465..9c47933a 100644
--- a/UnitTests/PInvoke/Kernel32/SysInfoTests.cs
+++ b/UnitTests/PInvoke/Kernel32/SysInfoTests.cs
@@ -55,7 +55,7 @@ namespace Vanara.PInvoke.Tests
 		[Test]
 		public void GetLogicalProcessorInformationExTest()
 		{
-			Assert.That(GetLogicalProcessorInformationEx(LOGICAL_PROCESSOR_RELATIONSHIP.RelationGroup, out var info), ResultIs.Successful);
+			Assert.That(GetLogicalProcessorInformationEx(LOGICAL_PROCESSOR_RELATIONSHIP.RelationAll, out var info), ResultIs.Successful);
 			Assert.That(info.Length, Is.GreaterThan(0));
 			info.WriteValues();
 		}