diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 70526d58c6b..26b581c18e1 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -308,7 +308,7 @@ class stock_tracking(osv.osv):
         return res
 
     def unlink(self, cr ,uid, ids):
-        raise osv.except_osv(_('Error'), _('You can not remove a lot line !"))
+        raise osv.except_osv(_('Error'), _('You can not remove a lot line !'))
 stock_tracking()
 
 #----------------------------------------------------------