diff --git a/core/net/mac/tsch/tsch-slot-operation.c b/core/net/mac/tsch/tsch-slot-operation.c
index 54f1b7e65..9f51210a7 100644
--- a/core/net/mac/tsch/tsch-slot-operation.c
+++ b/core/net/mac/tsch/tsch-slot-operation.c
@@ -769,20 +769,15 @@ PT_THREAD(tsch_rx_slot(struct pt *pt, struct rtimer *t))
       TSCH_DEBUG_RX_EVENT();
       tsch_radio_off(TSCH_RADIO_CMD_OFF_WITHIN_TIMESLOT);
 
-#if TSCH_RESYNC_WITH_SFD_TIMESTAMPS
-      /* At the end of the reception, get an more accurate estimate of SFD arrival time */
-      NETSTACK_RADIO.get_object(RADIO_PARAM_LAST_PACKET_TIMESTAMP, &rx_start_time, sizeof(rtimer_clock_t));
-#endif
-
       if(NETSTACK_RADIO.pending_packet()) {
         static int frame_valid;
         static int header_len;
         static frame802154_t frame;
         radio_value_t radio_last_rssi;
 
-        NETSTACK_RADIO.get_value(RADIO_PARAM_LAST_RSSI, &radio_last_rssi);
         /* Read packet */
         current_input->len = NETSTACK_RADIO.read((void *)current_input->payload, TSCH_PACKET_MAX_LEN);
+        NETSTACK_RADIO.get_value(RADIO_PARAM_LAST_RSSI, &radio_last_rssi);
         current_input->rx_asn = current_asn;
         current_input->rssi = (signed)radio_last_rssi;
         header_len = frame802154_parse((uint8_t *)current_input->payload, current_input->len, &frame);
@@ -790,6 +785,11 @@ PT_THREAD(tsch_rx_slot(struct pt *pt, struct rtimer *t))
           frame802154_check_dest_panid(&frame) &&
           frame802154_extract_linkaddr(&frame, &source_address, &destination_address);
 
+#if TSCH_RESYNC_WITH_SFD_TIMESTAMPS
+        /* At the end of the reception, get an more accurate estimate of SFD arrival time */
+        NETSTACK_RADIO.get_object(RADIO_PARAM_LAST_PACKET_TIMESTAMP, &rx_start_time, sizeof(rtimer_clock_t));
+#endif
+
         packet_duration = TSCH_PACKET_DURATION(current_input->len);
 
 #if LLSEC802154_ENABLED
diff --git a/core/net/mac/tsch/tsch.c b/core/net/mac/tsch/tsch.c
index 2085f39ff..de6619dc5 100644
--- a/core/net/mac/tsch/tsch.c
+++ b/core/net/mac/tsch/tsch.c
@@ -649,12 +649,12 @@ PT_THREAD(tsch_scan(struct pt *pt))
     }
 
     if(is_packet_pending) {
-      /* Save packet timestamp */
-      NETSTACK_RADIO.get_object(RADIO_PARAM_LAST_PACKET_TIMESTAMP, &t0, sizeof(rtimer_clock_t));
-
       /* Read packet */
       input_eb.len = NETSTACK_RADIO.read(input_eb.payload, TSCH_PACKET_MAX_LEN);
 
+      /* Save packet timestamp */
+      NETSTACK_RADIO.get_object(RADIO_PARAM_LAST_PACKET_TIMESTAMP, &t0, sizeof(rtimer_clock_t));
+
       /* Parse EB and attempt to associate */
       PRINTF("TSCH: association: received packet (%u bytes) on channel %u\n", input_eb.len, current_channel);