diff --git a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
index efd45d0491..b9643cb74b 100644
--- a/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_express/mpconfigboard.mk
@@ -12,6 +12,8 @@ LONGINT_IMPL = MPZ
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
 
+CFLAGS_INLINE_LIMIT = 70
+
 CIRCUITPY_NETWORK = 1
 MICROPY_PY_WIZNET5K = 5500