diff --git a/examples/nxflat/Makefile b/examples/nxflat/Makefile
index d597b3b3f67..3dd485f4db1 100644
--- a/examples/nxflat/Makefile
+++ b/examples/nxflat/Makefile
@@ -47,7 +47,7 @@ OBJS	= $(AOBJS) $(COBJS)
 BIN	= lib$(CONFIG_EXAMPLE)$(LIBEXT)
 
 all:	$(BIN)
-.PHONY:	tests/romfs.h tests/dirlist.h clean distclean
+.PHONY:	headers clean distclean
 
 $(AOBJS): %$(OBJEXT): %.S
 	$(call ASSEMBLE, $<, $@)