diff --git a/bioem_cuda.cu b/bioem_cuda.cu
index a5401574eb1b0fb0ab1e207bf38e477334c1626a..e19a844548b576805390b713cff7161d7aa75ddb 100644
--- a/bioem_cuda.cu
+++ b/bioem_cuda.cu
@@ -377,6 +377,7 @@ int bioem_cuda::deviceStartRun()
 		{
 			for (int i = 0; i < 2; i++)
 			{
+				if (i && maxRef % CUDA_FFTS_AT_ONCE == 0) continue;
 				int n[2] = {param.param_device.NumberPixels, param.param_device.NumberPixels};
 				if (cufftPlanMany(&plan[i][j], 2, n, NULL, 1, param.FFTMapSize, NULL, 1, 0, MY_CUFFT_C2R, i ? (maxRef % CUDA_FFTS_AT_ONCE) : CUDA_FFTS_AT_ONCE) != CUFFT_SUCCESS)
 				{
@@ -409,7 +410,11 @@ int bioem_cuda::deviceFinishRun()
 	{
 		for (int j = 0;j < 2;j++)
 		{
-			for (int i = 0; i < 2; i++) cufftDestroy(plan[i][j]);
+			for (int i = 0; i < 2; i++)
+			{
+				if (i && maxRef % CUDA_FFTS_AT_ONCE == 0) continue;
+				cufftDestroy(plan[i][j]);
+			}
 			if (!GPUDualStream) break;
 		}
 	}