diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index 476e4f3c0a3..5133061a811 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -52,6 +52,7 @@ class Fichinter extends CommonObject
 	var $note_private;
 	var $note_public;
 	var $fk_project;
+	var $fk_contrat;
 	var $modelpdf;
 	var $extraparams=array();
 
@@ -67,6 +68,7 @@ class Fichinter extends CommonObject
 		$this->db = $db;
 		$this->products = array();
 		$this->fk_project = 0;
+		$this->fk_contrat = 0;
 		$this->statut = 0;
 
 		// List of language codes for status
@@ -137,6 +139,7 @@ class Fichinter extends CommonObject
 		$sql.= ", description";
 		$sql.= ", model_pdf";
 		$sql.= ", fk_projet";
+		$sql.= ", fk_contrat";
 		$sql.= ", fk_statut";
 		$sql.= ", note_private";
 		$sql.= ", note_public";
@@ -150,6 +153,7 @@ class Fichinter extends CommonObject
 		$sql.= ", ".($this->description?"'".$this->db->escape($this->description)."'":"null");
 		$sql.= ", '".$this->modelpdf."'";
 		$sql.= ", ".($this->fk_project ? $this->fk_project : 0);
+		$sql.= ", ".($this->fk_contrat ? $this->fk_contrat : 0);
 		$sql.= ", ".$this->statut;
 		$sql.= ", ".($this->note_private?"'".$this->db->escape($this->note_private)."'":"null");
 		$sql.= ", ".($this->note_public?"'".$this->db->escape($this->note_public)."'":"null");
@@ -823,6 +827,40 @@ class Fichinter extends CommonObject
 		}
 	}
 
+
+	/**
+	 *	Define the label of the contract
+	 *
+	 *	@param      User	$user			Object user who modify
+	 *	@param      string	$description    description
+	 *	@return     int		<0 if ko, >0 if ok
+	 */
+	function set_contrat($user, $contratid)
+	{
+		global $conf;
+
+		if ($user->rights->ficheinter->creer)
+		{
+			$sql = "UPDATE ".MAIN_DB_PREFIX."fichinter ";
+			$sql.= " SET fk_contrat = '".$contratid."'";
+			$sql.= " WHERE rowid = ".$this->id;
+			$sql.= " AND entity = ".$conf->entity;
+			//$sql.= " AND fk_statut = 0";
+
+			if ($this->db->query($sql))
+			{
+				$this->fk_contrat = $contratid;
+				return 1;
+			}
+			else
+			{
+				$this->error=$this->db->error();
+				dol_syslog("Fichinter::set_contrat Erreur SQL");
+				return -1;
+			}
+		}
+	}
+
 	/**
 	 *	Adding a line of intervention into data base
 	 *