diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c
index d9a310ce80..6059f2415a 100644
--- a/drivers/spi/rk_spi.c
+++ b/drivers/spi/rk_spi.c
@@ -367,7 +367,7 @@ static inline int rockchip_spi_16bit_reader(struct udevice *dev,
 	 * represented in CTRLR1.
 	 */
 	if (data && data->master_manages_fifo)
-		max_chunk_size = 0x10000;
+		max_chunk_size = 0xffff;
 
 	// rockchip_spi_configure(dev, mode, size)
 	rkspi_enable_chip(regs, false);