--- mp-5.x-5.62/makefile.in
+++ mp-5.x-5.62/makefile.in
@@ -144,9 +144,9 @@ install: $(INSTALL_MSG) installdoc $(INS
 	install -m 755 $(APPNAME) $(PREFIX)/bin/$(APPNAME)
 	./mkinstalldirs $(PREFIX)/share/man/man1
 	[ -f $(APPNAME).1 ] && install -m 644 $(APPNAME).1 $(PREFIX)/share/man/man1/$(APPNAME).1 || true
-	[ -d /usr/share/applications ] && install -m 644 minimum-profit.desktop /usr/share/applications || true
-	[ -d /usr/share/metainfo ] && install -m 644 metainfo.xml /usr/share/metainfo/com.triptico.minimum_profit.metainfo.xml || true
-	[ -d /usr/share/icons/hicolor/48x48/apps/ ] && install -m 644 minimum-profit.png /usr/share/icons/hicolor/48x48/apps/ || true
+	[ -d $(PREFIX)/share/applications ] && install -m 644 minimum-profit.desktop $(PREFIX)/share/applications || true
+	[ -d $(PREFIX)/share/metainfo ] && install -m 644 metainfo.xml $(PREFIX)/share/metainfo/com.triptico.minimum_profit.metainfo.xml || true
+	[ -d $(PREFIX)/share/icons/hicolor/48x48/apps/ ] && install -m 644 minimum-profit.png $(PREFIX)/share/icons/hicolor/48x48/apps/ || true
 
 installdoc:
 	./mkinstalldirs $(PREFIX)/share/doc/$(APPNAME)