diff --git a/gnome-session.spec b/gnome-session.spec
index f65be2d..1d00e18 100644
--- a/gnome-session.spec
+++ b/gnome-session.spec
@@ -2,7 +2,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          gnome-session
 Version:       3.12.1
-Release:       1mamba
+Release:       2mamba
 Summary:       GNOME desktop session manager
 Group:         Graphical Desktop/Applications/Environment
 Vendor:        openmamba
@@ -63,6 +63,7 @@ Requires:      gnome-menus
 Requires:      gnome-settings-daemon
 Requires:      gnome-desktop
 Requires:      nautilus
+Requires:      gdm
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -86,9 +87,11 @@ GNOME desktop session manager.
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
 %post
-/sbin/ldconfig
-glib-compile-schemas /usr/share/glib-2.0/schemas/
-[ -x /usr/bin/scrollkeeper-update ] && scrollkeeper-update
+if [ $1 -ge 1 ]; then
+   /sbin/ldconfig
+   glib-compile-schemas %{_datadir}/glib-2.0/schemas/
+   [ -x /usr/bin/scrollkeeper-update ] && scrollkeeper-update
+fi
 exit 0
 
 %postun
@@ -128,6 +131,9 @@ exit 0
 #ChangeLog NEWS README
 
 %changelog
+* Fri Jul 18 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 3.12.1-2mamba
+- require gdm
+
 * Mon Jun 09 2014 Automatic Build System <autodist@mambasoft.it> 3.12.1-1mamba
 - automatic version update by autodist