diff --git a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c
index 73b4fbbdd3d..3bccb06d344 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.c
@@ -646,6 +646,15 @@ uint32_t radio_is_done(void)
 }
 #endif /* !CONFIG_BT_CTLR_SW_SWITCH_SINGLE_TIMER */
 
+uint32_t radio_is_tx_done(void)
+{
+	if (IS_ENABLED(CONFIG_BT_CTLR_SW_SWITCH_SINGLE_TIMER)) {
+		return radio_is_done();
+	} else {
+		return 1U;
+	}
+}
+
 uint32_t radio_has_disabled(void)
 {
 	return (NRF_RADIO->EVENTS_DISABLED != 0);
diff --git a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.h b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.h
index f2a99cfc552..bebd256eed6 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.h
+++ b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio.h
@@ -86,6 +86,7 @@ void radio_status_reset(void);
 uint32_t radio_is_ready(void);
 uint32_t radio_is_address(void);
 uint32_t radio_is_done(void);
+uint32_t radio_is_tx_done(void);
 uint32_t radio_has_disabled(void);
 uint32_t radio_is_idle(void);
 
diff --git a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c
index de7179bd886..e3d7b8b4f33 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c
@@ -477,6 +477,11 @@ static void isr_tx_rx(void *param)
 		node_rx_prof = lll_prof_reserve();
 	}
 
+	/* Call to ensure packet/event timer accumulates the elapsed time
+	 * under single timer use.
+	 */
+	(void)radio_is_tx_done();
+
 	/* Clear radio tx status and events */
 	lll_isr_tx_status_reset();