diff --git a/PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs b/PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
index 3e4d7db..1e97aca 100644
--- a/PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
+++ b/PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
@@ -317,7 +317,7 @@ internal static partial class PrimeOrderCalculator
 				bool gpuStackRemainders = false;
 				GpuPow2ModStatus status = GpuPow2ModStatus.Unavailable;
 
-				// if (allowGpuBatch && IsGpuPow2Allowed)
+				if (allowGpuBatch && IsGpuPow2Allowed)
 				{
 					if (batchSize <= StackGpuBatchSize)
 					{