diff --git a/internal/ceres/dynamic_cost_function_to_functor.cc b/internal/ceres/dynamic_cost_function_to_functor.cc
index f6e1a62..a96c4fd 100644
--- a/internal/ceres/dynamic_cost_function_to_functor.cc
+++ b/internal/ceres/dynamic_cost_function_to_functor.cc
@@ -29,10 +29,13 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 //         dgossow@google.com (David Gossow)
 
-#include "ceres/cost_function.h"
 #include "ceres/dynamic_cost_function_to_functor.h"
 
 #include <memory>
+#include <utility>
+
+#include "absl/log/check.h"
+#include "ceres/cost_function.h"
 
 namespace ceres {