diff --git a/sdr/uhd_io.cpp b/sdr/uhd_io.cpp
index 2c2dbbc14e91ae33307d44a24927cfec1ca4e0eb..1fac6625197448d4fc81828d14524fd4c0c34f09 100644
--- a/sdr/uhd_io.cpp
+++ b/sdr/uhd_io.cpp
@@ -241,7 +241,7 @@ int main(int /*argc*/, char * /*argv*/[])
 					[&]()->void
 					{
 						try{
-							::sleep(1);
+							//::sleep(1);
 							while (1) {
 								if (stop_signal_called) break;
 								std::vector<float> tx_data;