diff --git a/python/paddle/nn/functional/loss.py b/python/paddle/nn/functional/loss.py
index 93c1820593e2094ef811d11d79c87121668e9cd3..46ff6bb5fb4d446cfc84ffbbf50ee61e9abe564c 100755
--- a/python/paddle/nn/functional/loss.py
+++ b/python/paddle/nn/functional/loss.py
@@ -1811,7 +1811,9 @@ def cross_entropy(input,
                                  .format(input.shape[-1], weight.shape[-1]))
             valid_label = paddle.where(
                 label == ignore_index,
-                paddle.zeros([1], dtype=label.dtype), label)
+                paddle.zeros(
+		    [1], dtype=label.dtype),
+	    	label)
             if (len(paddle.nonzero(valid_label < 0)) > 0) or (
                     len(paddle.nonzero(valid_label >= input.shape[-1])) > 0):
                 invalid_label = paddle.gather_nd(