diff --git a/python/paddle/v2/parameters.py b/python/paddle/v2/parameters.py
index f730ea10bb545bf15f18a4125bd44320981636f7..4c4ff4c7c21f2cd73eaf0f880abc070b11027263 100644
--- a/python/paddle/v2/parameters.py
+++ b/python/paddle/v2/parameters.py
@@ -300,7 +300,7 @@ class Parameters(object):
         return params
 
     def init_from_tar(self, f):
-        tar_param = self.from_tar(f)
+        tar_param = Parameters.from_tar(f)
         for pname in tar_param.names():
             if pname in self.names():
                 self.set(pname, tar_param.get(pname))