diff --git a/debian/10-lubuntu-nexus7.conf b/debian/10-lubuntu-nexus7.conf
deleted file mode 100644
index da4a43c..0000000
--- a/debian/10-lubuntu-nexus7.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-[SeatDefaults]
-user-session=lubuntu-nexus7
diff --git a/debian/10-lubuntu.conf b/debian/10-lubuntu.conf
deleted file mode 100644
index 6a54688..0000000
--- a/debian/10-lubuntu.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-[SeatDefaults]
-user-session=Lubuntu
diff --git a/debian/10-lxgames.conf b/debian/10-lxgames.conf
deleted file mode 100644
index 91a24f9..0000000
--- a/debian/10-lxgames.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-[SeatDefaults]
-user-session=lxgames
diff --git a/debian/10-qlubuntu.conf b/debian/10-qlubuntu.conf
deleted file mode 100644
index 3c08a3d..0000000
--- a/debian/10-qlubuntu.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-[SeatDefaults]
-user-session=qlubuntu
diff --git a/debian/20-lubuntu-nexus7.conf b/debian/20-lubuntu-nexus7.conf
new file mode 100644
index 0000000..013420b
--- /dev/null
+++ b/debian/20-lubuntu-nexus7.conf
@@ -0,0 +1,2 @@
+[SeatDefaults]
+default-session=lubuntu-nexus7
diff --git a/debian/20-lubuntu.conf b/debian/20-lubuntu.conf
new file mode 100644
index 0000000..cd86941
--- /dev/null
+++ b/debian/20-lubuntu.conf
@@ -0,0 +1,2 @@
+[SeatDefaults]
+default-session=Lubuntu
diff --git a/debian/20-lxgames.conf b/debian/20-lxgames.conf
new file mode 100644
index 0000000..589ca70
--- /dev/null
+++ b/debian/20-lxgames.conf
@@ -0,0 +1,2 @@
+[SeatDefaults]
+default-session=lxgames
diff --git a/debian/20-qlubuntu.conf b/debian/20-qlubuntu.conf
new file mode 100644
index 0000000..0a9d0b3
--- /dev/null
+++ b/debian/20-qlubuntu.conf
@@ -0,0 +1,2 @@
+[SeatDefaults]
+default-session=qlubuntu
diff --git a/debian/changelog b/debian/changelog
index c0e54a2..bda60e5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+lubuntu-default-settings (0.36) UNRELEASED; urgency=low
+
+  * debian/20-* & debian/*.postrm & debian/*.postinst & 
+    debian/*default-session.install:
+   - Use lightdm conf files to set default session (LP: #1259525).
+  * debian/control:
+   - Make lightdm requirement to >= 1.9.4 for the conf files mechanism.
+
+ -- Julien Lavergne <gilir@ubuntu.com>  Fri, 13 Dec 2013 20:22:07 +0100
+
 lubuntu-default-settings (0.35) trusty; urgency=low
 
   [ Julien Lavergne ]
diff --git a/debian/control b/debian/control
index a0a3a0a..4a1a0da 100644
--- a/debian/control
+++ b/debian/control
@@ -18,7 +18,7 @@ Depends: ${misc:Depends},
          lubuntu-icon-theme,
          pcmanfm (>= 0.9.5) | pcmanfm-qt,
          ttf-ubuntu-font-family,
-         lightdm,
+         lightdm (>= 1.9.4),
          lxsession-logout,
          policykit-desktop-privileges
 Suggests: amixer,
diff --git a/debian/lubuntu-default-session.install b/debian/lubuntu-default-session.install
index d9075ee..58066fc 100644
--- a/debian/lubuntu-default-session.install
+++ b/debian/lubuntu-default-session.install
@@ -1 +1 @@
-debian/10-lubuntu.conf  etc/lightdm/lightdm.conf.d/
+debian/20-lubuntu.conf  etc/lightdm/lightdm.conf.d/
diff --git a/debian/lubuntu-nexus7-default-session.install b/debian/lubuntu-nexus7-default-session.install
index 32ea39d..67f3f7e 100644
--- a/debian/lubuntu-nexus7-default-session.install
+++ b/debian/lubuntu-nexus7-default-session.install
@@ -1 +1 @@
-debian/10-lubuntu-nexus7.conf   etc/lightdm/lightdm.conf.d/
+debian/20-lubuntu-nexus7.conf   etc/lightdm/lightdm.conf.d/
diff --git a/debian/lxgames-default-session.install b/debian/lxgames-default-session.install
index 4978310..4ec1d88 100644
--- a/debian/lxgames-default-session.install
+++ b/debian/lxgames-default-session.install
@@ -1 +1 @@
-debian/10-lxgames.conf  etc/lightdm/lightdm.conf.d/
+debian/20-lxgames.conf  etc/lightdm/lightdm.conf.d/
diff --git a/debian/qlubuntu-default-session.install b/debian/qlubuntu-default-session.install
index f747d7e..604777a 100644
--- a/debian/qlubuntu-default-session.install
+++ b/debian/qlubuntu-default-session.install
@@ -1 +1 @@
-debian/10-qlubuntu.conf etc/lightdm/lightdm.conf.d/
+debian/20-qlubuntu.conf etc/lightdm/lightdm.conf.d/