-include ../../Makefile.conf
+include ../Makefile.conf
 
 INCS = stg/admin_conf.h \
        stg/admin_conf.inc.h \
        stg/utime.h \
        stg/version.h
 
-install:
+install: install-bin
+
+install-bin:
        mkdir -m $(DIR_MODE) -p $(PREFIX)/usr/include/stg
-       install -m $(DATA_MODE) -o $(OWNER) -t $(PREFIX)/usr/include/stg/ $(INCS)
+       install -m $(DATA_MODE) -o $(OWNER) $(INCS) $(PREFIX)/usr/include/stg/