diff --git a/package/micropython/micropython.mk b/package/micropython/micropython.mk
index 7ae88a05e4..1358864cc9 100644
--- a/package/micropython/micropython.mk
+++ b/package/micropython/micropython.mk
@@ -15,7 +15,7 @@ MICROPYTHON_PATCH = \
 
 # Use fallback implementation for exception handling on architectures that don't
 # have explicit support.
-ifeq ($(BR2_powerpc)$(BR2_sh)$(BR2_xtensa),y)
+ifeq ($(BR2_i386)$(BR2_x86_64)$(BR2_arm)$(BR2_armeb),)
 MICROPYTHON_CFLAGS = -DMICROPY_GCREGS_SETJMP=1
 endif