--- Makefile.orig	2018-12-11 20:44:10 UTC
+++ Makefile
@@ -5,11 +5,10 @@ IDIR = include
 ODIR = obj
 
 INSTALL = install
-PREFIX = /usr
 
-BINDIR = $(PREFIX)/bin
-MANDIR = $(PREFIX)/share/man/man1
-LICENSEDIR = $(PREFIX)/share/licenses/$(TARGET)
+BINDIR = /bin
+MANDIR = /man/man1
+LICENSEDIR = /share/licenses/$(TARGET)
 
 CC = gcc
 LD = $(CC)
@@ -44,9 +43,8 @@ $(ODIR)/%.o: $(SDIR)/%.c $(INCS)
 
 .PHONY: install
 install: $(TARGET) mans
-	$(INSTALL) -Dm 0755 "$(TARGET)" "$(DESTDIR)$(BINDIR)/$(TARGET)"
-	$(INSTALL) -Dm 0644 man/unclutter-xfixes.1 "$(DESTDIR)$(MANDIR)/unclutter.1"
-	$(INSTALL) -Dm 0644 -t "$(DESTDIR)$(LICENSEDIR)/" LICENSE
+	$(BSD_INSTALL_PROGRAM) "$(TARGET)" "$(DESTDIR)$(PREFIX)$(BINDIR)/$(TARGET)"
+	$(BSD_INSTALL_MAN) man/unclutter-xfixes.1 "$(DESTDIR)$(PREFIX)$(MANDIR)/$(TARGET).1"
 
 .PHONY: uninstall
 uninstall: