diff --git a/addons/decimal_precision/decimal_precision.py b/addons/decimal_precision/decimal_precision.py
index beec16e3d7a..0ecb046b481 100644
--- a/addons/decimal_precision/decimal_precision.py
+++ b/addons/decimal_precision/decimal_precision.py
@@ -45,6 +45,7 @@ class decimal_precision(osv.osv):
         return res and res[0] or 2
 
     def write(self, cr, uid, ids, data, *args, **argv):
+        self.precision_get.clear_cache(cr.dbname)
         res = super(decimal_precision, self).write(cr, uid, ids, data, *args, **argv)
         for obj in self.pool.obj_list():
             for colname,col in self.pool.get(obj)._columns.items():