diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
index df1bbacec90a..ea69fe25686f 100644
--- a/drivers/spi/spi-stm32-qspi.c
+++ b/drivers/spi/spi-stm32-qspi.c
@@ -374,9 +374,8 @@ static int stm32_qspi_send(struct spi_device *spi, const struct spi_mem_op *op)
 	int timeout, err = 0, err_poll_status = 0;
 
 	cr = readl_relaxed(qspi->io_base + QSPI_CR);
-	cr &= ~CR_PRESC_MASK & ~CR_FSEL;
-	cr |= FIELD_PREP(CR_PRESC_MASK, flash->presc);
-	cr |= FIELD_PREP(CR_FSEL, flash->cs);
+	FIELD_MODIFY(CR_PRESC_MASK, &cr, flash->presc);
+	FIELD_MODIFY(CR_FSEL, &cr, flash->cs);
 	writel_relaxed(cr, qspi->io_base + QSPI_CR);
 
 	if (op->data.nbytes)