diff --git a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_iso.c b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_iso.c
index 20579c2c299..db0442f5aae 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_iso.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_iso.c
@@ -231,7 +231,7 @@ static int prepare_cb_common(struct lll_prepare_param *p)
 	radio_reset();
 
 #if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL)
-	radio_tx_power_set(lll->tx_pwr_lvl);
+	radio_tx_power_set(lll->adv->tx_pwr_lvl);
 #else
 	radio_tx_power_set(RADIO_TXP_DEFAULT);
 #endif
diff --git a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync_iso.c b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync_iso.c
index 8dae0278090..d6736764924 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync_iso.c
+++ b/subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync_iso.c
@@ -285,12 +285,6 @@ static int prepare_cb_common(struct lll_prepare_param *p)
 	/* Start setting up of Radio h/w */
 	radio_reset();
 
-#if defined(CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL)
-	radio_tx_power_set(lll->tx_pwr_lvl);
-#else
-	radio_tx_power_set(RADIO_TXP_DEFAULT);
-#endif
-
 	phy = lll->phy;
 	radio_phy_set(phy, PHY_FLAGS_S8);
 	radio_pkt_configure(RADIO_PKT_CONF_LENGTH_8BIT, lll->max_pdu,