diff --git a/le-proinfodata/package/DEBIAN/postinst b/le-proinfodata/package/DEBIAN/postinst
index f48c8d453cc1cc77fcab8d906c3ae7ec3397772d..b6a64e69bf892191bb2d3fe355fbd7a0fa8197f5 100755
--- a/le-proinfodata/package/DEBIAN/postinst
+++ b/le-proinfodata/package/DEBIAN/postinst
@@ -24,6 +24,7 @@
 SEED_MEC_HOME="/opt/seed_mec"
 BACKUP_DIR="/opt/seed_mec_backup"
 LBFILE="/etc/le-proinfodata/le.zone.bz2"
+MULTISEAT_DIR="/etc/userful/scripts/PostLogin"
 
 # Descompressing the local base
 [[ -f $LBFILE ]] && bunzip2 -f $LBFILE
@@ -72,6 +73,13 @@ for file in $DIVERTS; do
     fi
 done
 
+# The multiseat system need the exec_dialog.sh script to be in a different
+# place to work properly
+if [[ -d "$MULTISEAT_DIR" ]]; then
+    ln -fs "/usr/local/bin/exec_dialog.sh" \
+           "$MULTISEAT_DIR/05-exec_dialog.script"
+fi
+
 # Make sure the owner of ~seed_mec is seed_mec
 chown -R seed_mec:seed_mec "${SEED_MEC_HOME}"
 
diff --git a/le-proinfodata/package/etc/userful/scripts/PostLogin/05-exec_dialog.script b/le-proinfodata/package/etc/userful/scripts/PostLogin/05-exec_dialog.script
deleted file mode 100755
index 2f4fe2026c4dc8db27634eb07293b8db437c9f2e..0000000000000000000000000000000000000000
--- a/le-proinfodata/package/etc/userful/scripts/PostLogin/05-exec_dialog.script
+++ /dev/null
@@ -1,92 +0,0 @@
-#!/bin/bash
-# Copyright (C) 2004-2012 Centro de Computacao Cientifica e Software Livre
-# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
-# This file is part of le-proinfodata
-#
-# exec_dialog.sh is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-# USA.
-F_MULT="/tmp/.mult.lock"
-F_LOCK="/tmp/.dialog.lock"
-F_INEP="/opt/seed_mec/SEED2/client/conf/inep"
-BACKGROUND="/usr/share/backgrounds/le5-wallpaper1600X1200.png"
-LE_EDUBAR_POS="/usr/share/gnome/autostart/le-edubar_position.sh"
-
-function enable_mouse () {
-	xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9" &
-	xmodmap -e "keycode 64 = Alt_L Meta_L Alt_L Meta_L Alt_L Meta_L" &
-}
-
-function disable_mouse () {
-	xmodmap -e "pointer = 1 2 11 4 5 6 7 8 9" &
-	xmodmap -e "keycode 64 = " &
-}
-
-function call_dialog_inep_mult_off () {
-	#Disable mouse right-click
-	disable_mouse
-	#Set background
-	xli -onroot -fillscreen $BACKGROUND
-	dialog_inep.sh
-	#Reset background to default
-	xli -onroot -background black
-	#Enable mouse right-click
-	enable_mouse
-}
-
-function call_dialog_inep_mult_on () {
-	#Disable mouse right-click
-	disable_mouse
-	dialog_inep.sh
-	#Get PID
-	P_EDUBAR=$(ps aux | grep $LE_EDUBAR_POS | tr -s -t " " "|" | cut -d"|" -f2)
-	P_GPANEL=$(pgrep gnome-panel)
-	#Enable Edubar and Panel
-	kill -cont $P_GPANEL
-	kill -cont $P_EDUBAR
-	#Enable mouse right-click
-	enable_mouse
-}
-
-export LANG="pt_BR.UTF-8"
-# SANITY CHECK -------------------------------------------------------
-# Do not run script if we are on live-cd
-# or the INEP code is already set
-# or we are logging out
-if dpkg --get-selections "ubiquity-le" | grep -q 'install$' ||
-   [ -f $F_INEP ] ||
-   [ -f $F_LOCK ]; then
-    exit 0
-fi
-# --------------------------------------------------------------------
-# Delay for not happen overlay window
-sleep 3
-# Check whether the computer is running on a the multiterminal
-if dpkg --get-selections "le-multiterminal" | grep -q 'install$'; then
-	# In the first call (lightdm) in multiterminal this is script must leave, to be called again after.
-    if [ -f $F_MULT ];then
-		touch $F_LOCK
-		echo "0" > $F_LOCK
-        call_dialog_inep_mult_on
-    else
-    	touch $F_MULT
-		exit 0
-    fi
-else
-    touch $F_LOCK
-	echo "1" > $F_LOCK
-    call_dialog_inep_mult_off
-fi
-
-exit 0