diff --git a/paddle/fluid/operators/fill_constant_batch_size_like_op.cu.cc b/paddle/fluid/operators/fill_constant_batch_size_like_op.cu.cc
index 353f73cdd6d05374fe5c9b96dbde7b35ee675c1b..de06aeb01e4dda4e8ca4b4e70ca2c3ad6aa4b5dc 100644
--- a/paddle/fluid/operators/fill_constant_batch_size_like_op.cu.cc
+++ b/paddle/fluid/operators/fill_constant_batch_size_like_op.cu.cc
@@ -18,6 +18,8 @@ limitations under the License. */
 namespace ops = paddle::operators;
 REGISTER_OP_CUDA_KERNEL(
     fill_constant_batch_size_like,
+    ops::FillConstantBatchSizeLikeOpKernel<paddle::platform::CUDADeviceContext,
+                                           paddle::platform::float16>,
     ops::FillConstantBatchSizeLikeOpKernel<paddle::platform::CUDADeviceContext,
                                            float>,
     ops::FillConstantBatchSizeLikeOpKernel<paddle::platform::CUDADeviceContext,