diff --git a/python/paddle/fluid/trainer.py b/python/paddle/fluid/trainer.py
index 68c62a0e0bf09312647f28bd12a47971698c4c5f..6084e860ed9cb071f4afc8536f013843dc3f1a7b 100644
--- a/python/paddle/fluid/trainer.py
+++ b/python/paddle/fluid/trainer.py
@@ -288,7 +288,7 @@ class Trainer(object):
             _load_persistable_vars(exe, param_path, self.startup_program, False,
                                    [self.lookup_table_name]
                                    if self.lookup_table_name else [])
-            if self.lookup_table_name and self.pserver_id:
+            if self.lookup_table_name and self.pserver_id is not None:
                 _load_lookup_table_vars(exe, param_path, self.startup_program,
                                         self.pserver_id, self.lookup_table_name)