diff --git a/pkg/semtech-loramac/contrib/semtech_loramac_radio.c b/pkg/semtech-loramac/contrib/semtech_loramac_radio.c
index 0ba549cd90..a0cf9be655 100644
--- a/pkg/semtech-loramac/contrib/semtech_loramac_radio.c
+++ b/pkg/semtech-loramac/contrib/semtech_loramac_radio.c
@@ -96,7 +96,7 @@ void SX127XSetRxConfig(RadioModems_t modem, uint32_t bandwidth,
     sx127x_set_freq_hop(&sx127x, freqHopOn);
     sx127x_set_hop_period(&sx127x, hopPeriod);
     sx127x_set_iq_invert(&sx127x, iqInverted);
-    sx127x_set_symbol_timeout(&sx127x, 2 * symbTimeout);
+    sx127x_set_symbol_timeout(&sx127x, symbTimeout);
     sx127x_set_rx_single(&sx127x, !rxContinuous);
 }
 
diff --git a/pkg/semtech-loramac/contrib/semtech_loramac_timer.c b/pkg/semtech-loramac/contrib/semtech_loramac_timer.c
index 59686b5645..346bc7fe93 100644
--- a/pkg/semtech-loramac/contrib/semtech_loramac_timer.c
+++ b/pkg/semtech-loramac/contrib/semtech_loramac_timer.c
@@ -60,12 +60,7 @@ void TimerSetValue(TimerEvent_t *obj, uint32_t value)
         xtimer_remove(&(obj->dev));
     }
 
-    /* According to the lorawan specifications, the data sent from the gateway
-       could arrive with a short shift in time of +/- 20ms. Here the timeout is
-       triggered 50ms in advance to make sure the radio switches to RX mode on
-       time and doesn't miss any downlink messages, taking in consideration
-       possible xtimer inaccuracies. */
-    obj->timeout = (value - 50) * US_PER_MS;
+    obj->timeout = value * US_PER_MS;
 }
 
 TimerTime_t TimerGetCurrentTime(void)