diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 980abf6a8609..8fd20304f1ec 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -279,8 +279,7 @@ static void c_can_inval_msg_object(struct net_device *dev, int iface, int obj)
 {
 	struct c_can_priv *priv = netdev_priv(dev);
 
-	priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface), 0);
-	priv->write_reg(priv, C_CAN_IFACE(ARB2_REG, iface), 0);
+	priv->write_reg32(priv, C_CAN_IFACE(ARB1_REG, iface), 0);
 	c_can_inval_tx_object(dev, iface, obj);
 }