diff --git a/src/utils/file_stat.cc b/src/utils/file_stat.cc
index 2719e606..88a80569 100644
--- a/src/utils/file_stat.cc
+++ b/src/utils/file_stat.cc
@@ -22,6 +22,7 @@
 
 #include "config.h"
 
+#include <errno.h>
 #include <stdexcept>
 
 #include "file_stat.h"