diff --git a/src/engine_robust.cc b/src/engine_robust.cc
index 3e9ec6c6c..50e1ec0a4 100644
--- a/src/engine_robust.cc
+++ b/src/engine_robust.cc
@@ -242,7 +242,8 @@ AllReduceRobust::ReturnType AllReduceRobust::TryLoadCheckPoint(bool requester) {
  * \return this function can return kSuccess/kSockError/kGetExcept, see ReturnType for details
  * \sa ReturnType
  */
-AllReduceRobust::ReturnType AllReduceRobust::TryGetResult(void *sendrecvbuf, size_t size, int seqno, bool requester) {
+AllReduceRobust::ReturnType
+AllReduceRobust::TryGetResult(void *sendrecvbuf, size_t size, int seqno, bool requester) {
   utils::Error("TryGetResult: not implemented");
   return kSuccess;
 }