diff --git a/ports/atmel-samd/boards/cp_sapling_m0_revb/mpconfigboard.mk b/ports/atmel-samd/boards/cp_sapling_m0_revb/mpconfigboard.mk
index b94a5335eb..514fa40009 100644
--- a/ports/atmel-samd/boards/cp_sapling_m0_revb/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/cp_sapling_m0_revb/mpconfigboard.mk
@@ -22,3 +22,6 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
+ifeq ($(TRANSLATION), ja)
+CFLAGS_INLINE_LIMIT = 35
+endif