--- a/Makefile	2022-10-21 13:19:39.000000000 +0200
+++ b/Makefile	2022-10-21 13:20:33.880959827 +0200
@@ -1,7 +1,7 @@
-PREFIX=/usr/local
-DATADIR=$(PREFIX)/share/micropolis
-LIBEXECDIR=$(PREFIX)/libexec
-BINDIR=$(PREFIX)/bin
+PREFIX=/usr
+DATADIR=$(PREFIX)/share/games/micropolis
+LIBEXECDIR=$(PREFIX)/lib/games/micropolis
+BINDIR=$(PREFIX)/games
 DOCDIR=$(PREFIX)/share/doc/micropolis
 PIXMAPDIR=$(PREFIX)/share/pixmaps
 APPLICATIONSDIR=$(PREFIX)/share/applications