diff --git a/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk
index 54c1306606..8d6ca53305 100644
--- a/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk
+++ b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk
@@ -9,3 +9,5 @@ CHIP_FAMILY = rp2
 INTERNAL_FLASH_FILESYSTEM = 1
 
 CIRCUITPY__EVE = 1
+
+BOOT2_S_UPPER = sdk/src/rp2_common/boot_stage2/boot2_w25q080.S