diff --git a/drivers/i2c/lpc32xx_i2c.c b/drivers/i2c/lpc32xx_i2c.c
index 4c66769..7f4eccd 100644
--- a/drivers/i2c/lpc32xx_i2c.c
+++ b/drivers/i2c/lpc32xx_i2c.c
@@ -200,6 +200,8 @@
 	if (alen | length)
 		/* Address slave in write mode */
 		writel((dev<<1) | LPC32XX_I2C_TX_START, &i2c->tx);
+	else
+		return 0;
 	/* write address bytes */
 	while (alen) {
 		/* wait for transmit fifo not full */