diff --git a/Makefile.inc b/Makefile.inc
index fafb9ec..95846a7 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -338,7 +338,7 @@
 	$(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
 		printf "    CC+STRIP   $(@)\n"; \
 		$(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
-		$(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
+		$(OBJCOPY_ramstage) -O binary --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \
 		rm -f $(2).tmp) \
 	$(eval DEPENDENCIES += $(2).d)