diff --git a/board/CZ.NIC/turris_mox/mox_sp.c b/board/CZ.NIC/turris_mox/mox_sp.c
index 4de067b..93e96b0 100644
--- a/board/CZ.NIC/turris_mox/mox_sp.c
+++ b/board/CZ.NIC/turris_mox/mox_sp.c
@@ -19,7 +19,7 @@
 	if (public_key[0])
 		return public_key;
 
-	res = mbox_do_cmd(MBOX_CMD_ECDSA_PUB_KEY, out, 16);
+	res = mbox_do_cmd(MBOX_CMD_ECDSA_PUB_KEY, NULL, 0, out, 16);
 	if (res < 0)
 		return NULL;
 
@@ -47,7 +47,7 @@
 	u32 out[8];
 	int res;
 
-	res = mbox_do_cmd(MBOX_CMD_BOARD_INFO, out, 8);
+	res = mbox_do_cmd(MBOX_CMD_BOARD_INFO, NULL, 0, out, 8);
 	if (res < 0)
 		return res;