diff --git a/internal/ceres/levenberg_marquardt_strategy_test.cc b/internal/ceres/levenberg_marquardt_strategy_test.cc
index 8338e5f..5f82b57 100644
--- a/internal/ceres/levenberg_marquardt_strategy_test.cc
+++ b/internal/ceres/levenberg_marquardt_strategy_test.cc
@@ -29,7 +29,7 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 
-#include <glog/logging.h>
+#include "glog/logging.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "ceres/mock_log.h"