Fixed makefile

Makefile

@@ -18,8 +18,9 @@ clean:
 
 install: all
 	install -d ${DESTDIR}${PREFIX}/bin/
+	install -d ${DESTDIR}${MANPREFIX}/man1/
 	install -m 755 ${PROG} ${DESTDIR}${PREFIX}/bin/
-	install -m 644 ${PROG}.1 ${DESTDIR}${MANPREFIX}
+	install -m 644 ${PROG}.1 ${DESTDIR}${MANPREFIX}/man1/
 
 uninstall:
 	rm -f ${DESTDIR}/${PREFIX}/bin/${PROG}