diff --git a/gnome-session.changes b/gnome-session.changes
index e96918f..949e5d1 100644
--- a/gnome-session.changes
+++ b/gnome-session.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Nov 16 22:01:14 UTC 2012 - dimstar@opensuse.org
+
+- Only conditionally require ConsoleKit from gnome-session-core,
+  based on with_systemd defines: while switching openSUSE 12.3 to
+  systemd based session tracking, we should not require CK anymore.
+
 -------------------------------------------------------------------
 Tue Nov 13 11:57:58 UTC 2012 - dimstar@opensuse.org
 
diff --git a/gnome-session.spec b/gnome-session.spec
index 622872f..ee40436 100644
--- a/gnome-session.spec
+++ b/gnome-session.spec
@@ -16,6 +16,8 @@
 #
 
 
+%define with_systemd 1
+
 Name:           gnome-session
 Version:        3.6.2
 Release:        0
@@ -110,7 +112,9 @@ a GNOME 3 session that looks and feels like GNOME 2.
 %package core
 Summary:        Session Manager for GNOME -- Minimal Version
 Group:          System/GUI/GNOME
+%if ! %{with_systemd}
 Requires:       ConsoleKit
+%endif
 Requires:       dbus-1-x11
 Requires:       gsettings-desktop-schemas >= 0.1.7
 Requires:       hicolor-icon-theme