diff --git a/internal/ceres/graph.h b/internal/ceres/graph.h
index e080489..5f92d4d 100644
--- a/internal/ceres/graph.h
+++ b/internal/ceres/graph.h
@@ -32,12 +32,13 @@
 #define CERES_INTERNAL_GRAPH_H_
 
 #include <limits>
-#include <glog/logging.h>
+#include <utility>
 #include "ceres/integral_types.h"
 #include "ceres/map_util.h"
 #include "ceres/collections_port.h"
 #include "ceres/internal/macros.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {