diff --git a/encog-core-cs/Util/Concurrency/DetermineWorkload.cs b/encog-core-cs/Util/Concurrency/DetermineWorkload.cs
index c2e65841..557f735e 100644
--- a/encog-core-cs/Util/Concurrency/DetermineWorkload.cs
+++ b/encog-core-cs/Util/Concurrency/DetermineWorkload.cs
@@ -66,7 +66,7 @@ public DetermineWorkload(int threads, int workloadSize)
             _workloadSize = workloadSize;
             if (threads == 0)
             {
-                var num = (int) (Math.Log(((int) Process.GetCurrentProcess().ProcessorAffinity + 1), 2));
+                var num = Environment.ProcessorCount;
 
                 // if there is more than one processor, use processor count +1
                 if (num != 1)