diff --git a/src/std/memory_file.cc b/src/std/memory_file.cc
index 2434e9b..b42936d 100644
--- a/src/std/memory_file.cc
+++ b/src/std/memory_file.cc
@@ -9,8 +9,10 @@
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <unistd.h>
+
 #include <cassert>
 #include <cstring>
+#include <tuple>
 
 #include "memory_file.h"