diff --git a/drivers/spi/spi-rzv2h-rspi.c b/drivers/spi/spi-rzv2h-rspi.c
index 1655efda7d20..6ed3fad873b8 100644
--- a/drivers/spi/spi-rzv2h-rspi.c
+++ b/drivers/spi/spi-rzv2h-rspi.c
@@ -135,8 +135,9 @@ static inline void rzv2h_rspi_rx_##type(struct rzv2h_rspi_priv *rspi,	\
 RZV2H_RSPI_TX(writel, u32)
 RZV2H_RSPI_TX(writew, u16)
 RZV2H_RSPI_TX(writeb, u8)
+/* The read access size for RSPI_SPDR is fixed at 32 bits */
 RZV2H_RSPI_RX(readl, u32)
-RZV2H_RSPI_RX(readw, u16)
+RZV2H_RSPI_RX(readl, u16)
 RZV2H_RSPI_RX(readl, u8)
 
 static void rzv2h_rspi_reg_rmw(const struct rzv2h_rspi_priv *rspi,