diff --git a/htdocs/admin/events.php b/htdocs/admin/events.php
index 840f501ba61..28947147204 100644
--- a/htdocs/admin/events.php
+++ b/htdocs/admin/events.php
@@ -42,6 +42,7 @@ $action=$_POST["action"];
 $eventstolog=array(
 	array('id'=>'USER_LOGIN',             'test'=>1),
 	array('id'=>'USER_LOGIN_FAILED',      'test'=>1),
+    array('id'=>'USER_LOGOUT',            'test'=>1),
 	array('id'=>'USER_CREATE',            'test'=>1),
 	array('id'=>'USER_MODIFY',            'test'=>1),
 	array('id'=>'USER_NEW_PASSWORD',      'test'=>1),
diff --git a/htdocs/includes/triggers/interface_all_Logevents.class.php b/htdocs/includes/triggers/interface_all_Logevents.class.php
index 62b92f1e449..53406f25602 100644
--- a/htdocs/includes/triggers/interface_all_Logevents.class.php
+++ b/htdocs/includes/triggers/interface_all_Logevents.class.php
@@ -40,8 +40,8 @@ class InterfaceLogevents
     var $desc;
 
     /**
-     *   \brief      Constructeur.
-     *   \param      DB      Handler d'acces base
+     *   Constructor.
+     *   @param      DB      Database handler access
      */
     function InterfaceLogevents($DB)
     {
@@ -107,14 +107,15 @@ class InterfaceLogevents
 
     	if (empty($conf->entity)) $conf->entity = $entity;  // forcing of the entity if it's not defined (ex: in login form)
 
+        $this->date=gmmktime();
+        $this->duree=0;
+
         // Actions
         if ($action == 'USER_LOGIN')
         {
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
 
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte="(UserLogged,".$object->login.")";
             $this->desc="(UserLogged,".$object->login.")";
         }
@@ -123,19 +124,23 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
 
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$object->trigger_mesg;	// Message direct
             $this->desc=$object->trigger_mesg;	// Message direct
         }
+        if ($action == 'USER_LOGOUT')
+        {
+            dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
+
+            // Initialisation donnees (date,duree,texte,desc)
+            $this->texte="(UserLogoff,".$object->login.")";
+            $this->desc="(UserLogoff,".$object->login.")";
+        }
         if ($action == 'USER_CREATE')
         {
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
 
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("NewUserCreated",$object->login);
             $this->desc=$langs->transnoentities("NewUserCreated",$object->login);
 		}
@@ -145,8 +150,6 @@ class InterfaceLogevents
             $langs->load("users");
 
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("EventUserModified",$object->login);
             $this->desc=$langs->transnoentities("EventUserModified",$object->login);
         }
@@ -156,8 +159,6 @@ class InterfaceLogevents
             $langs->load("users");
 
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("NewUserPassword",$object->login);
             $this->desc=$langs->transnoentities("NewUserPassword",$object->login);
         }
@@ -166,8 +167,6 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
 			if ($object->statut == 0)
 			{
 				$this->texte=$langs->transnoentities("UserEnabled",$object->login);
@@ -184,8 +183,6 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("UserDeleted",$object->login);
             $this->desc=$langs->transnoentities("Userdeleted",$object->login);
         }
@@ -196,8 +193,6 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("NewGroupCreated",$object->nom);
             $this->desc=$langs->transnoentities("NewGroupCreated",$object->nom);
 		}
@@ -206,8 +201,6 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("GroupModified",$object->nom);
             $this->desc=$langs->transnoentities("GroupModified",$object->nom);
 		}
@@ -216,8 +209,6 @@ class InterfaceLogevents
             dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
             $langs->load("users");
             // Initialisation donnees (date,duree,texte,desc)
-            $this->date=gmmktime();
-            $this->duree=0;
             $this->texte=$langs->transnoentities("GroupDeleted",$object->nom);
             $this->desc=$langs->transnoentities("GroupDeleted",$object->nom);
 		}
diff --git a/htdocs/langs/en_US/users.lang b/htdocs/langs/en_US/users.lang
index 50f0bd01d77..2fe06c3630f 100755
--- a/htdocs/langs/en_US/users.lang
+++ b/htdocs/langs/en_US/users.lang
@@ -92,7 +92,8 @@ InternalExternalDesc=An <b>internal</b> user is a user that is part of your comp
 PermissionInheritedFromAGroup=Permission granted because inherited from one of a user's group.
 Inherited=Inherited
 IdPhoneCaller=Id phone caller
-UserLogged=User %s connected
+UserLogged=User %s login
+UserLogoff=User %s logout
 NewUserCreated=User %s created
 NewUserPassword=Password change for %s
 EventUserModified=User %s modified
diff --git a/htdocs/langs/fr_FR/users.lang b/htdocs/langs/fr_FR/users.lang
index 1ef9a7a40e2..d29b27ecd71 100755
--- a/htdocs/langs/fr_FR/users.lang
+++ b/htdocs/langs/fr_FR/users.lang
@@ -93,6 +93,7 @@ PermissionInheritedFromAGroup=La permission est accordée car héritée d'un gro
 Inherited=Hérité
 IdPhoneCaller=Id appelant (téléphone)
 UserLogged=Connexion utilisateur %s
+UserLogoff=Déconnexion utilisateur %s
 NewUserCreated=Création utilisateur %s
 NewUserPassword=Changement mot de passe de %s
 EventUserModified=Modification utilisateur %s