diff --git a/internal/ceres/runtime_numeric_diff_cost_function.cc b/internal/ceres/runtime_numeric_diff_cost_function.cc
index ac6d8aa..7af275c 100644
--- a/internal/ceres/runtime_numeric_diff_cost_function.cc
+++ b/internal/ceres/runtime_numeric_diff_cost_function.cc
@@ -35,11 +35,10 @@
 #include <algorithm>
 #include <numeric>
 #include <vector>
-
-#include <glog/logging.h>
 #include "Eigen/Dense"
 #include "ceres/cost_function.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {