diff --git a/ChangeLog b/ChangeLog
index a805ef6786a..58aaf22595e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -125,6 +125,7 @@ Fix: Compatiblity with multicompany module
 Fix: Edit propal line was losing product supplier price id
 Fix: Delete linked element to supplier invoice when deleted 
 Fix: [ bug #1061 ] Bad info shipped products
+Fix: [ bug #1062 ] Documents lost in propals and contracts validating
 Qual: Add travis-ci integration
 
 
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index c653a8e57a1..6a939068639 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1271,6 +1271,8 @@ class Propal extends CommonObject
      */
     function valid($user, $notrigger=0)
     {
+    	require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
+    	
         global $conf,$langs;
 
         $error=0;
@@ -1316,9 +1318,33 @@ class Propal extends CommonObject
                     }
                     // Fin appel triggers
                 }
-
-                if (! $error)
-                {
+                
+                
+            	if (! $error)
+				{
+					// Rename directory if dir was a temporary ref
+					if (preg_match('/^[\(]?PROV/i', $this->ref))
+					{
+						// Rename of propal directory ($this->ref = old ref, $num = new ref)
+						// to  not lose the linked files
+						$facref = dol_sanitizeFileName($this->ref);
+						$snumfa = dol_sanitizeFileName($num);
+						$dirsource = $conf->propal->dir_output.'/'.$facref;
+						$dirdest = $conf->propal->dir_output.'/'.$snumfa;
+						if (file_exists($dirsource))
+						{
+							dol_syslog(get_class($this)."::validate rename dir ".$dirsource." into ".$dirdest);
+	
+							if (@rename($dirsource, $dirdest))
+							{
+	
+								dol_syslog("Rename ok");
+								// Deleting old PDF in new rep
+								dol_delete_file($conf->propal->dir_output.'/'.$snumfa.'/'.$facref.'*.*');
+							}
+						}
+					}
+				
                     $this->brouillon=0;
                     $this->statut = 1;
                     $this->user_valid_id=$user->id;
@@ -1327,7 +1353,7 @@ class Propal extends CommonObject
                     return 1;
                 }
                 else
-                {
+				{
                     $this->db->rollback();
                     return -2;
                 }
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index bbb621a8887..12d474b72dd 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -281,6 +281,7 @@ class Contrat extends CommonObject
 	 */
 	function validate($user)
 	{
+		require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 		global $langs, $conf;
 
 		$error=0;
@@ -314,8 +315,37 @@ class Contrat extends CommonObject
 			$result=$interface->run_triggers('CONTRACT_VALIDATE',$this,$user,$langs,$conf);
 			if ($result < 0) { $error++; $this->errors=$interface->errors; }
 			// Fin appel triggers
+			
+			if (! $error)
+			{
+				// Rename directory if dir was a temporary ref
+				if (preg_match('/^[\(]?PROV/i', $this->ref))
+				{
+					// Rename of propal directory ($this->ref = old ref, $num = new ref)
+					// to  not lose the linked files
+					$facref = dol_sanitizeFileName($this->ref);
+					$snumfa = dol_sanitizeFileName($num);
+					$dirsource = $conf->contract->dir_output.'/'.$facref;
+					$dirdest = $conf->contract->dir_output.'/'.$snumfa;
+					if (file_exists($dirsource))
+					{
+						dol_syslog(get_class($this)."::validate rename dir ".$dirsource." into ".$dirdest);
+						
+						if (@rename($dirsource, $dirdest))
+						{
+							dol_syslog("Rename ok");
+							// Deleting old PDF in new rep
+							dol_delete_file($conf->contract->dir_output.'/'.$snumfa.'/'.$facref.'*.*');
+						}
+					}
+				}
 
-			return 1;
+				return 1;
+			}
+			else
+			{
+				return -1;
+			}
 		}
 		else
 		{