diff --git a/lib/romlib/Makefile b/lib/romlib/Makefile
index 4cac75b..367487a 100644
--- a/lib/romlib/Makefile
+++ b/lib/romlib/Makefile
@@ -83,7 +83,7 @@
 	$(s)echo "  TBL     $@"
 	$(q)$(ROMLIB_GEN) gentbl --output $@ --bti=$(ENABLE_BTI) $<
 
-$(BUILD_DIR)/romlib.ldflags: ../../$(PLAT_DIR)/jmptbl.i
+$(BUILD_DIR)/romlib.ldflags: ../../$(PLAT_DIR)/jmptbl.i | $$(@D)/
 	$(s)echo "  LDFLAGS $@"
 	$(q)$(ROMLIB_GEN) link-flags $< > $@