diff --git a/drivers/mtd/stm32_qspi.c b/drivers/mtd/stm32_qspi.c
index 25604dca22d787f9d5997f0e0b39b36dd1dcd359..3d3ed7d1cacc1117f59a6493449b1d2c7442f8fa 100644
--- a/drivers/mtd/stm32_qspi.c
+++ b/drivers/mtd/stm32_qspi.c
@@ -519,7 +519,8 @@ int stm32_qspi_init(void)
 
 	switch_to_memory_mapped(stm32_qspi);
 
-	printf("%s: mapped QSPI to 0x%x\n", __func__, STM32_QSPI_BANK);
+	printf("QSPI:  %d MB mapped at 0x%x\n",
+		1 << (CONFIG_SPI_FLASH_SIZE_OFF - 20), STM32_QSPI_BANK);
 
 	return 0;
 }