diff --git a/examples/platforms/nrf52840/Makefile.am b/examples/platforms/nrf52840/Makefile.am
index e6b37bb2c..24c6bed4d 100644
--- a/examples/platforms/nrf52840/Makefile.am
+++ b/examples/platforms/nrf52840/Makefile.am
@@ -152,9 +152,10 @@ RADIO_DRIVER_SOURCES
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/nrf_802154_rx_buffer.c                      \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/nrf_802154_timer_coord.c                    \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/fem/nrf_fem_control.c                       \
-    @top_builddir@/third_party/NordicSemiconductor/drivers/radio/mac_features/nrf_802154_filter.c            \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/mac_features/nrf_802154_ack_timeout.c       \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/mac_features/nrf_802154_csma_ca.c           \
+    @top_builddir@/third_party/NordicSemiconductor/drivers/radio/mac_features/nrf_802154_delayed_trx.c       \
+    @top_builddir@/third_party/NordicSemiconductor/drivers/radio/mac_features/nrf_802154_filter.c            \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/platform/clock/nrf_802154_clock_sdk.c       \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/platform/hp_timer/nrf_802154_hp_timer.c     \
     @top_builddir@/third_party/NordicSemiconductor/drivers/radio/timer_scheduler/nrf_802154_timer_sched.c    \