diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc
index 68431f9..fa1ff8b 100644
--- a/src/lib/Makefile.inc
+++ b/src/lib/Makefile.inc
@@ -296,6 +296,8 @@
 $(obj)/%.elf.rmod: $(obj)/%.elf | $(RMODTOOL)
 	$(RMODTOOL) -i $< -o $@
 
+ramstage-$(CONFIG_RAMSTAGE_ADA) += cb.ads
+
 ifeq ($(CONFIG_RAMSTAGE_LIBHWBASE),y)
 
 to-ada-hex = $(eval $(1) := 16\\\#$(patsubst 0x%,%,$($(1)))\\\#)