diff --git a/board/csb472/Makefile b/board/csb472/Makefile
index 7acb7c8..703a25c 100644
--- a/board/csb472/Makefile
+++ b/board/csb472/Makefile
@@ -36,7 +36,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(OBJS) $(SOBJS)
-	$(AR) crv $@ $^
+	$(AR) $(ARFLAGS) $@ $^
 
 clean:
 	rm -f $(SOBJS) $(OBJS)