diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index c8e546439fff..87502f39bc4f 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -255,7 +255,7 @@ static int stm32_spi_prepare_mbr(struct stm32_spi *spi, u32 speed_hz)
 	u32 div, mbrdiv;
 
 	/* Ensure spi->clk_rate is even */
-	div = DIV_ROUND_UP(spi->clk_rate & ~0x1, speed_hz);
+	div = DIV_ROUND_CLOSEST(spi->clk_rate & ~0x1, speed_hz);
 
 	/*
 	 * SPI framework set xfer->speed_hz to master->max_speed_hz if