diff --git a/python/paddle/fluid/io.py b/python/paddle/fluid/io.py
index 3d071fce6c77e6410563c4997390e104837aae07..7a39c2bc2fbc06d91ef6fc8c02f9d9b850703e21 100644
--- a/python/paddle/fluid/io.py
+++ b/python/paddle/fluid/io.py
@@ -376,7 +376,7 @@ def save_vars(executor,
                          vars=list(filter(predicate, main_program.list_vars())),
                          filename=filename)
     else:
-        params_var_name = unique_name.generate("saved_params")
+        params_var_name = "saved_params"
         # give warning when there is no var in model
         if len(list(vars)) == 0:
             warnings.warn(