diff --git a/subsys/bluetooth/controller/hci/hci.c b/subsys/bluetooth/controller/hci/hci.c
index 30fb363fc9c..0adbf5ff70c 100644
--- a/subsys/bluetooth/controller/hci/hci.c
+++ b/subsys/bluetooth/controller/hci/hci.c
@@ -4245,8 +4245,8 @@ static void le_cis_established(struct pdu_data *pdu_data,
 	sys_put_le24(cis->sync_delay, sep->cis_sync_delay);
 	sys_put_le24(cig->c_latency, sep->c_latency);
 	sys_put_le24(cig->p_latency, sep->p_latency);
-	sep->c_phy = lll_cis_c->phy;
-	sep->p_phy = lll_cis_p->phy;
+	sep->c_phy = find_lsb_set(lll_cis_c->phy);
+	sep->p_phy = find_lsb_set(lll_cis_p->phy);
 	sep->nse = lll_cis->nse;
 	sep->c_bn = lll_cis_c->bn;
 	sep->p_bn = lll_cis_p->bn;