diff --git a/tools/w800/rules.mk b/tools/w800/rules.mk
index e356b67..a569ff3 100644
--- a/tools/w800/rules.mk
+++ b/tools/w800/rules.mk
@@ -59,6 +59,7 @@ $$(IMAGEODIR)/$(1).elf: $$(OBJS) $$(DEP_OBJS_$(1)) $$(DEP_LIBS_$(1)) $$(DEPENDS_
 	@mkdir -p $$(IMAGEODIR)
 	$(LINK) -Wl,--gc-sections -Wl,-zmax-page-size=1024 -Wl,--whole-archive $$(OBJS) $$(DEP_OBJS_$(1)) $$(DEP_LIBS_$(1)) $$(if $$(LINKFLAGS_$(1)),$$(LINKFLAGS_$(1))) -Wl,--no-whole-archive $(LINKFLAGS) $(MAP) -o $$@
 	$(SIZE) -A -t $(IMAGEODIR)/$(TARGET).elf
+	$(SIZE) -B $(IMAGEODIR)/$(TARGET).elf
 endef
 
 $(BINODIR)/%.bin: $(IMAGEODIR)/%.elf