diff --git a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_sync.c b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_sync.c
index 3f21e5d68f2..5494df8fb0d 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_sync.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_sync.c
@@ -354,7 +354,7 @@ static void isr_tx(void *param)
 		radio_isr_set(isr_tx, lll_sync);
 		switch_radio_complete_and_b2b_tx(lll_sync, lll->phy_s);
 	} else {
-		radio_isr_set(isr_done, lll);
+		radio_isr_set(isr_done, lll_sync);
 		switch_radio_complete_and_phy_end_disable(lll_sync);
 	}