diff --git a/paddle/fluid/operators/ngraph/ops/sum_op.h b/paddle/fluid/operators/ngraph/ops/sum_op.h
index 97f4ce64aa58bfa8cb70c36f9a12b7b8135da637..ab8cdb8f4d847c0acb60b39d07dc83f085b60bbd 100644
--- a/paddle/fluid/operators/ngraph/ops/sum_op.h
+++ b/paddle/fluid/operators/ngraph/ops/sum_op.h
@@ -18,6 +18,7 @@ limitations under the License. */
 #include <vector>
 
 #include "ngraph/ngraph.hpp"
+#include "paddle/fluid/operators/ngraph/ops/op_bridge.h"
 #include "paddle/fluid/platform/ngraph_helper.h"
 
 namespace paddle {
@@ -53,3 +54,5 @@ void BuildSumNode(
 }  // namespace ngraphs
 }  // namespace operators
 }  // namespace paddle
+
+REGISTER_NG_OP(sum, BuildSumNode);