diff --git a/ChangeLog b/ChangeLog
index f2b6dd6477181..119aaa13a6296 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -15,6 +15,7 @@ Fix: [ bug #1037 ] Consumption> Supplier invoices related
 Fix: User group name do not display in card (view or edit mode)
 Fix: Link "Show all supplier invoice" on suplier card not working 
 Fix: [ bug #1039 ] Pre-defined invoices conversion
+Fix: If only service module is activated, it's impossible to delete service
 
 ***** ChangeLog for 3.4 compared to 3.3.* *****
 For users:
diff --git a/htdocs/fourn/class/fournisseur.product.class.php b/htdocs/fourn/class/fournisseur.product.class.php
index 8d5a3474bf88e..f24c7bf28c622 100644
--- a/htdocs/fourn/class/fournisseur.product.class.php
+++ b/htdocs/fourn/class/fournisseur.product.class.php
@@ -181,6 +181,7 @@ function update_buyprice($qty, $buyprice, $user, $price_base_type, $fourn, $avai
         {
 	  		$sql = "UPDATE ".MAIN_DB_PREFIX."product_fournisseur_price";
 			$sql.= " SET fk_user = " . $user->id." ,";
+            $sql.= " ref_fourn = \"" . $this->db->escape($ref_fourn) . "\",";
 			$sql.= " price = ".price2num($buyprice).",";
 			$sql.= " quantity = ".$qty.",";
 			$sql.= " remise_percent = ".$remise_percent.",";
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 0a45a94e7c8b5..715bbcbdba8cf 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -585,7 +585,7 @@ function delete($id)
 
 		$error=0;
 
-		if ($user->rights->produit->supprimer)
+		if (($this->type == 0 && $user->rights->produit->supprimer) || ($this->type == 1 && $user->rights->service->supprimer))
 		{
 			$objectisused = $this->isObjectUsed($id);
 			if (empty($objectisused))
@@ -617,23 +617,12 @@ function delete($id)
         				if (! $result)
         				{
         				    $error++;
-        					$this->error = $this->db->lasterror();
+        					$this->errors[] = $this->db->lasterror();
         				    dol_syslog(get_class($this).'::delete error '.$this->error, LOG_ERR);
         				}
 				    }
 				}
 
-				// Removed extrafields
-				if ((! $error) && (empty($conf->global->MAIN_EXTRAFIELDS_DISABLED))) // For avoid conflicts if trigger used
-				{
-					$result=$this->deleteExtraFields();
-					if ($result < 0)
-					{
-						$error++;
-						dol_syslog(get_class($this).'::delete error '.$this->error, LOG_ERR);
-					}
-				}
-
                 // Delete product
                 if (! $error)
                 {
@@ -644,7 +633,7 @@ function delete($id)
        				if ( ! $resultz )
     				{
     					$error++;
-    					$this->error = $this->db->lasterror();
+    					$this->errors[] = $this->db->lasterror();
     				    dol_syslog(get_class($this).'::delete error '.$this->error, LOG_ERR);
     				}
                 }
@@ -661,7 +650,7 @@ function delete($id)
                 			$res=@dol_delete_dir_recursive($dir);
                 			if (! $res)
                 			{
-                				$this->error='ErrorFailToDeleteDir';
+                				$this->errors[] = 'ErrorFailToDeleteDir';
                 				$error++;
                 			}
                 		}
@@ -686,6 +675,11 @@ function delete($id)
 				}
 				else
 				{
+					foreach($this->errors as $errmsg)
+					{
+						dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
+						$this->error.=($this->error?', '.$errmsg:$errmsg);
+					}
 					$this->db->rollback();
 					return -$error;
 				}
diff --git a/htdocs/product/fiche.php b/htdocs/product/fiche.php
index 315ea66b184db..2b23ba4722b9f 100644
--- a/htdocs/product/fiche.php
+++ b/htdocs/product/fiche.php
@@ -369,7 +369,7 @@
         {
             $result = $object->delete($object->id);
         }
-
+		 
         if ($result > 0)
         {
             header('Location: '.DOL_URL_ROOT.'/product/liste.php?delprod='.urlencode($object->ref));