diff --git a/htdocs/core/class/conf.class.php b/htdocs/core/class/conf.class.php
index 8766d68c25b..ed919be568c 100644
--- a/htdocs/core/class/conf.class.php
+++ b/htdocs/core/class/conf.class.php
@@ -151,6 +151,19 @@ class Conf
 		$this->productbatch		= new stdClass();
 	}
 
+	/**
+	 *  Load setup values into conf object (read llx_const) for a specified entity
+	 *  Note that this->db->xxx, this->file->xxx and this->multicompany have been already loaded when setValues is called.
+	 *
+	 * @param	DoliDB	$db			Database handler
+	 * @param	int		$entity		Entity to get
+	 * @return	int					< 0 if KO, >= 0 if OK
+	 */
+	function setEntityValues($db, $entity)
+	{
+		$this->entity = $entity;
+		$this->setValues($db);
+	}
 
 	/**
 	 *  Load setup values into conf object (read llx_const)
@@ -161,6 +174,60 @@ class Conf
 	 */
 	public function setValues($db)
 	{
+		global $conf;
+
+		// Unset all old modules values
+		if (!empty($this->modules)) {
+			foreach ($this->modules as $m) {
+				if (isset($this->$m)) unset($this->$m);
+			}
+		}
+
+		// Properly declare multi-modules objects.
+		$this->global			= new stdClass();
+		$this->multicompany		= new stdClass();
+
+		// First level object
+		// TODO Remove this part.
+		$this->expedition_bon	= new stdClass();
+		$this->delivery_note	= new stdClass();
+		$this->fournisseur		= new stdClass();
+		$this->product			= new stdClass();
+		$this->service			= new stdClass();
+		$this->contrat			= new stdClass();
+		$this->actions			= new stdClass();
+		$this->agenda			= new stdClass();
+		$this->commande			= new stdClass();
+		$this->propal			= new stdClass();
+		$this->facture			= new stdClass();
+		$this->contrat			= new stdClass();
+		$this->usergroup		= new stdClass();
+		$this->adherent			= new stdClass();
+		$this->bank				= new stdClass();
+		$this->notification		= new stdClass();
+		$this->mailing			= new stdClass();
+		$this->expensereport	= new stdClass();
+		$this->productbatch		= new stdClass();
+		$this->modules = array();;
+		$this->modules_parts = array(
+			'css' => array(),
+			'js' => array(),
+			'tabs' => array(),
+			'triggers' => array(),
+			'login' => array(),
+			'substitutions' => array(),
+			'menus' => array(),
+			'theme' => array(),
+			'sms' => array(),
+			'tpl' => array(),
+			'barcode' => array(),
+			'models' => array(),
+			'societe' => array(),
+			'hooks' => array(),
+			'dir' => array(),
+			'syslog' => array(),
+		);
+
 		dol_syslog(get_class($this)."::setValues");
 
 		//Define all global constants into $this->global->key=value
diff --git a/htdocs/cron/class/cronjob.class.php b/htdocs/cron/class/cronjob.class.php
index 2ffce20a924..e2b7c2da47b 100644
--- a/htdocs/cron/class/cronjob.class.php
+++ b/htdocs/cron/class/cronjob.class.php
@@ -1081,7 +1081,7 @@ class Cronjob extends CommonObject
 			dol_syslog("We try to run a job in entity ".$this->entity." when we are in entity ".$conf->entity, LOG_WARNING);
 		}
 		$savcurrententity = $conf->entity;
-		$conf->entity = $this->entity;
+		$conf->setEntityValues($this->db, $this->entity);
 		dol_syslog(get_class($this)."::run_jobs entity for running job is ".$conf->entity);
 
 		require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
@@ -1090,13 +1090,13 @@ class Cronjob extends CommonObject
 		if ($result < 0) {
 			$this->error = "User Error:".$user->error;
 			dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);
-			$conf->entity = $savcurrententity;
+			$conf->setEntityValues($this->db, $savcurrententity);
 			return -1;
 		} else {
 			if (empty($user->id)) {
 				$this->error = " User user login:".$userlogin." do not exists";
 				dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);
-				$conf->entity = $savcurrententity;
+				$conf->setEntityValues($this->db, $savcurrententity);
 				return -1;
 			}
 		}
@@ -1126,7 +1126,7 @@ class Cronjob extends CommonObject
 		$result = $this->update($user); // This include begin/commit
 		if ($result < 0) {
 			dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);
-			$conf->entity = $savcurrententity;
+			$conf->setEntityValues($this->db, $savcurrententity);
 			return -1;
 		}
 
@@ -1241,7 +1241,7 @@ class Cronjob extends CommonObject
 			if ($ret === false) {
 				$this->error = $langs->trans('CronCannotLoadLib').': '.$libpath;
 				dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);
-				$conf->entity = $savcurrententity;
+				$conf->setEntityValues($this->db, $savcurrententity);
 				return -1;
 			}
 
@@ -1250,7 +1250,7 @@ class Cronjob extends CommonObject
 			$result = $langs->load($this->module_name.'@'.$this->module_name); // If this->module_name was an existing language file, this will make nothing
 			if ($result < 0) {	// If technical error
 				dol_syslog(get_class($this)."::run_jobs Cannot load module langs".$langs->error, LOG_ERR);
-				$conf->entity = $savcurrententity;
+				$conf->setEntityValues($this->db, $savcurrententity);
 				return -1;
 			}
 
@@ -1316,11 +1316,11 @@ class Cronjob extends CommonObject
 		$result = $this->update($user); // This include begin/commit
 		if ($result < 0) {
 			dol_syslog(get_class($this)."::run_jobs ".$this->error, LOG_ERR);
-			$conf->entity = $savcurrententity;
+			$conf->setEntityValues($this->db, $savcurrententity);
 			return -1;
 		}
 
-		$conf->entity = $savcurrententity;
+		$conf->setEntityValues($this->db, $savcurrententity);
 		return $error ?-1 : 1;
 	}