diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index e16a250bdeeab33dfc18cc144a4efca922882022..53fb3bad8555b8fb6b2e8e12e769aa939e8cf859 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -1558,7 +1558,7 @@ def dropout(x,
             'dropout_prob': dropout_prob,
             'is_test': is_test,
             'fix_seed': seed is not None,
-            'seed': seed,
+            'seed': seed if seed is not None else 0,
             'dropout_implementation': dropout_implementation,
         })
     return out