diff --git a/drivers/bluetooth/hci/h4.c b/drivers/bluetooth/hci/h4.c
index fbc3d8af5b7..754c88dded4 100644
--- a/drivers/bluetooth/hci/h4.c
+++ b/drivers/bluetooth/hci/h4.c
@@ -157,7 +157,7 @@ static void reset_rx(void)
 	rx.discardable = false;
 }
 
-static struct net_buf *get_rx(int timeout)
+static struct net_buf *get_rx(k_timeout_t timeout)
 {
 	BT_DBG("type 0x%02x, evt 0x%02x", rx.type, rx.evt.evt);
 
diff --git a/drivers/bluetooth/hci/ipm_stm32wb.c b/drivers/bluetooth/hci/ipm_stm32wb.c
index f092f95811d..5e1731f8ebf 100644
--- a/drivers/bluetooth/hci/ipm_stm32wb.c
+++ b/drivers/bluetooth/hci/ipm_stm32wb.c
@@ -228,7 +228,7 @@ void shci_cmd_resp_release(uint32_t flag)
 
 void shci_cmd_resp_wait(uint32_t timeout)
 {
-	k_sem_take(&ble_sys_wait_cmd_rsp, timeout);
+	k_sem_take(&ble_sys_wait_cmd_rsp, K_MSEC(timeout));
 }
 
 void ipcc_reset(void)