diff --git a/ports/atmel-samd/boards/mini_sam_m4/mpconfigboard.mk b/ports/atmel-samd/boards/mini_sam_m4/mpconfigboard.mk
index ae2a1e9733..393adf8397 100644
--- a/ports/atmel-samd/boards/mini_sam_m4/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/mini_sam_m4/mpconfigboard.mk
@@ -7,8 +7,8 @@ CHIP_VARIANT = SAMD51G19A
 CHIP_FAMILY = samd51
 
 QSPI_FLASH_FILESYSTEM = 1
-EXTERNAL_FLASH_DEVICE_COUNT = 1
-EXTERNAL_FLASH_DEVICES = "W25Q16JV_IM"
+EXTERNAL_FLASH_DEVICE_COUNT = 2
+EXTERNAL_FLASH_DEVICES = "W25Q16JV_IM, W25Q16JV_IQ"
 LONGINT_IMPL = MPZ
 
 # No I2S on SAMD51G