diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 625dee474abe27eb167d3e36eb5b5dce5e46d351..bf1d7171e2f453872d809e42994f946328dfe470 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -6822,7 +6822,7 @@ def prelu(x, mode, param_attr=None, name=None):
         alpha_shape = x.shape
     dtype = helper.input_dtype(input_param_name='x')
     alpha = helper.create_parameter(
-        attr=param_attr,
+        attr=helper.param_attr,
         shape=alpha_shape,
         dtype='float32',
         is_bias=False,