diff --git a/paddle/fluid/operators/hash_op.h b/paddle/fluid/operators/hash_op.h
index 1ed3ffe9aa2d68c73f0ca4b5427f0ba7a693524c..9781bb0f453642cefb3eb59a05389c339a7de39d 100644
--- a/paddle/fluid/operators/hash_op.h
+++ b/paddle/fluid/operators/hash_op.h
@@ -45,7 +45,7 @@ class HashKerel : public framework::OpKernel<T> {
     for (int idx = 0; idx < seq_length; ++idx) {
       for (int ihash = 0; ihash != num_hash; ++ihash) {
         output[idx * num_hash + ihash] =
-            XXH32(input, sizeof(int) * last_dim, ihash) % mod_by;
+            XXH64(input, sizeof(int) * last_dim, ihash) % mod_by;
       }
       input += last_dim;
     }