diff --git a/internal/ceres/file.cc b/internal/ceres/file.cc
index 14ddf8e..387f359 100644
--- a/internal/ceres/file.cc
+++ b/internal/ceres/file.cc
@@ -31,7 +31,7 @@
 // Really simple file IO.
 
 #include <cstdio>
-#include <glog/logging.h>
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {