--- courier-0.78.2/courier/filters/Makefile.am.orig	2018-03-31 19:59:51.810312201 +0200
+++ courier-0.78.2/courier/filters/Makefile.am	2018-03-31 20:42:30.043616328 +0200
@@ -21,7 +21,7 @@
 
 noinst_SCRIPTS=courierfilter.start
 
-filterbindir=$(libexecdir)/filters
+filterbindir=$(libexecdir)/courier/filters
 filterbin_PROGRAMS=dupfilter ratefilter verifyfilter
 
 filtersocketdir=$(localstatedir)/filters
--- courier-0.78.2/courier/filters/filterctl.in.orig	2018-03-31 20:43:07.570282562 +0200
+++ courier-0.78.2/courier/filters/filterctl.in	2018-03-31 20:43:10.143615867 +0200
@@ -11,7 +11,7 @@
 localstatedir="@localstatedir@"
 piddir="@piddir@"
 
-filterbindir="${libexecdir}/filters"
+filterbindir="${libexecdir}/courier/filters"
 filteractivedir="${sysconfdir}/filters/active"
 pidfile="${piddir}/courierfilter.pid"
 
--- courier-0.78.2/courier/filters/perlfilter/Makefile.am.orig	2018-03-31 19:59:58.226978796 +0200
+++ courier-0.78.2/courier/filters/perlfilter/Makefile.am	2018-03-31 20:43:48.556948764 +0200
@@ -9,7 +9,7 @@
 
 CLEANFILES=$(BUILT_SOURCES) permissions.dat
 
-filterbindir=$(libexecdir)/filters
+filterbindir=$(libexecdir)/courier/filters
 filterbin_PROGRAMS=@perlfilter_prog@
 
 scriptdir=$(datadir)