--- a/components/gnome/gdm/gdm.p5m	Thu Feb 16 16:13:13 2017 -0800
+++ b/components/gnome/gdm/gdm.p5m	Thu Feb 23 08:08:48 2017 -0800
@@ -53,7 +53,7 @@
 file path=etc/gdm/PostSession/Default mode=0555 preserve=true
 file path=etc/gdm/PreSession/Default mode=0555 preserve=true
 file path=etc/gdm/Xsession mode=0555 preserve=true
-file path=etc/gdm/custom.conf mode=0644 preserve=true
+file path=etc/gdm/custom.conf mode=0644 preserve=renameold
 file files/gdm-launch-environment.pam path=etc/gdm/gdm-launch-environment.pam \
     preserve=renamenew
 file files/gdm-autologin path=etc/pam.d/gdm-autologin \