--- Makefile.orig	2023-05-18 14:19:05.665542600 +0200
+++ Makefile	2023-05-19 11:21:17.325551500 +0200
@@ -25,10 +25,11 @@
 
 PREFIX?=/usr/local
 DESTDIR?=/usr/local
-MYPREFIX=$(DESTDIR)
+MYPREFIX=$(DESTDIR)$(PREFIX)
 INSTALLBIN=$(MYPREFIX)/bin
-INSTALLSHARE=$(MYPREFIX)/share/games
-INSTALLMAN=$(MYPREFIX)/share/man
+INSTALLSHARE=$(MYPREFIX)/share
+INSTALLDOC=$(MYPREFIX)/share/doc
+INSTALLMAN=$(MYPREFIX)/share/man
 
 CC?=gcc
 AR?=ar
@@ -97,13 +98,14 @@
 	install -m 755 -d $(INSTALLBIN)
 	install -m 755 -d $(INSTALLMAN)/man5/
 	install -m 755 -d $(INSTALLMAN)/man6/
+	install -m 755 -d $(INSTALLDOC)/dMagnetic/
 	install -m 755 -d $(INSTALLSHARE)/dMagnetic/
 
 	install -m 755 -s dMagnetic $(INSTALLBIN)/dMagnetic
 	install -m 644 dMagneticini.5 $(INSTALLMAN)/man5/dMagneticini.5
 	install -m 644 dMagnetic.6 $(INSTALLMAN)/man6/dMagnetic.6
-	install -m 644 README.txt $(INSTALLSHARE)/dMagnetic/README.txt
-	install -m 644 LICENSE.txt $(INSTALLSHARE)/dMagnetic/LICENSE.txt
+	install -m 644 README.txt $(INSTALLDOC)/dMagnetic/README.txt
+	install -m 644 LICENSE.txt $(INSTALLDOC)/dMagnetic/LICENSE.txt
 	cp dMagnetic.ini $(INSTALLSHARE)/dMagnetic/