diff --git a/python/paddle/fluid/trainer.py b/python/paddle/fluid/trainer.py
index 1cbecd69e59882212d623b7fcaf741f0370a7a15..d44cb16bfb1545fc840d1a38155ec407afd4473d 100644
--- a/python/paddle/fluid/trainer.py
+++ b/python/paddle/fluid/trainer.py
@@ -173,9 +173,9 @@ class Trainer(object):
 
     def save_params(self, param_path):
         # reference: save_persistables in io.py
-        exe = executor.Executor(self.place)
-        io.save_persistables(
-            exe, dirname=param_path, main_program=self.startup_program)
+        with self._prog_and_scope_guard():
+            exe = executor.Executor(self.place)
+            io.save_persistables(exe, dirname=param_path)
 
     @staticmethod
     def _check_and_get_place(place):