--- a/m4/pbs_systemd_unitdir.m4
+++ b/m4/pbs_systemd_unitdir.m4
@@ -39,14 +39,19 @@
 AC_DEFUN([PBS_AC_SYSTEMD_UNITDIR],
 [
   AC_MSG_CHECKING([system/machine type for systemd unit dir])
-  systemd_dir="/usr/lib/systemd/system"
-  AS_IF([test -r "/etc/os-release"],
-    [system_type=$( cat /etc/os-release | awk -F'=' '/^ID=/' | cut -d "=" -f 2 )
-      AS_IF([test "x$system_type" = "xubuntu" -o "x$system_type" = "xdebian"],
-      [systemd_dir="/lib/systemd/system"])
-    ]
-  )
-  _unitdir=$systemd_dir
+dnl  systemd_dir="/usr/lib/systemd/system"
+dnl  AS_IF([test -r "/etc/os-release"],
+dnl    [system_type=$( cat /etc/os-release | awk -F'=' '/^ID=/' | cut -d "=" -f 2 )
+dnl      AS_IF([test "x$system_type" = "xubuntu" -o "x$system_type" = "xdebian"],
+dnl      [systemd_dir="/lib/systemd/system"])
+dnl    ]
+dnl  )
+dnl  _unitdir=$systemd_dir
+  _save_prefix=$prefix; _save_exec_prefix=$exec_prefix
+  test "x$prefix" = xNONE && prefix=$ac_default_prefix
+  test "x$exec_prefix" = xNONE && exec_prefix=$prefix
+  eval "_unitdir=$libdir/systemd/system"
+  prefix=$_save_prefix; exec_prefix=$_save_exec_prefix
   AC_MSG_RESULT([$_unitdir])
   AC_SUBST([_unitdir])
 ])
--- a/src/cmds/scripts/Makefile.am
+++ b/src/cmds/scripts/Makefile.am
@@ -67,7 +67,7 @@ dist_pythonlib_PYTHON = \
 	pbs_bootcheck.py \
 	pbs_topologyinfo.py
 
-sysprofiledir = /etc/profile.d
+sysprofiledir = $(sysconfdir)
 
 dist_sysprofile_DATA = \
 	pbs.csh \
--- a/test/fw/Makefile.am
+++ b/test/fw/Makefile.am
@@ -59,7 +59,7 @@ ptlpkg_pylib_pluginsdir = $(ptlpkg_pylib_utilsdir)/plugins
 
 dist_ptlpkg_pylib_plugins_PYTHON = $(wildcard $(srcdir)/ptl/utils/plugins/*.py)
 
-sysprofiledir = /etc/profile.d
+sysprofiledir = $(sysconfdir)
 
 dist_sysprofile_DATA = \
 	ptl.csh \