diff --git a/examples/fast-sweeping-map/tnlFastSweepingMap2D_CUDA_v4_impl.h b/examples/fast-sweeping-map/tnlFastSweepingMap2D_CUDA_v4_impl.h
index 00e83fa4026c9efd1e6da6f2781f4cd1a6278f40..20235c7af8f1bc2baf3dc204c3ff165af1383025 100644
--- a/examples/fast-sweeping-map/tnlFastSweepingMap2D_CUDA_v4_impl.h
+++ b/examples/fast-sweeping-map/tnlFastSweepingMap2D_CUDA_v4_impl.h
@@ -158,12 +158,15 @@ bool tnlFastSweepingMap< tnlGrid< 2,MeshReal, Device, MeshIndex >, Real, Index >
 
 	int run = 1;
 	int zero = 0;
+	int cntr = 0;
 
 	while(run != 0)
 	{
 		cudaMemcpy(this->changed, &zero, sizeof(int), cudaMemcpyHostToDevice);
 		runCUDA<<<numBlocks,threadsPerBlock>>>(this->cudaSolver,0,0, this->changed);
 		cudaMemcpy(&run, this->changed,sizeof(int), cudaMemcpyDeviceToHost);
+		cntr++;
+		cout << "Finished set of sweeps #" << cntr <<endl;
 	}
 
 	cudaDeviceSynchronize();