diff --git a/src/engine_mpi.cc b/src/engine_mpi.cc
index 11e55335b..35283ad5a 100644
--- a/src/engine_mpi.cc
+++ b/src/engine_mpi.cc
@@ -11,8 +11,8 @@
 #define NOMINMAX
 #include <mpi.h>
 #include <cstdio>
-#include "../include/rabit/engine.h"
-#include "../include/rabit/utils.h"
+#include "../include/rabit/internal/engine.h"
+#include "../include/rabit/internal/utils.h"
 
 namespace rabit {
 namespace engine {