diff --git a/lib/src/phy/rf/rf_zmq_test.c b/lib/src/phy/rf/rf_zmq_test.c
index ce43d1283..46dbfcf7a 100644
--- a/lib/src/phy/rf/rf_zmq_test.c
+++ b/lib/src/phy/rf/rf_zmq_test.c
@@ -194,6 +194,8 @@ int param_test(const char* args_param, const int num_channels)
     return SRSLTE_ERROR;
   }
 
+  srslte_rf_close(&enb_radio);
+
   return SRSLTE_SUCCESS;
 }