--- Makefile.in.orig	2017-07-31 20:56:53 UTC
+++ Makefile.in
@@ -13,7 +13,7 @@ mandir = @mandir@
 top_srcdir = @top_srcdir@
 srcdir = @srcdir@
 nmapdatadir = @datadir@/nmap
-deskdir = $(prefix)/share/applications
+deskdir = $(LOCALBASE)/share/applications
 NMAPDEVDIR=~/nmap-private-dev
 
 export NBASEDIR=@NBASEDIR@