diff --git a/src/interprocess/mmap_struct.cpp b/src/interprocess/mmap_struct.cpp
index 5df0009..8e9206c 100644
--- a/src/interprocess/mmap_struct.cpp
+++ b/src/interprocess/mmap_struct.cpp
@@ -5,6 +5,7 @@
 #include <fc/io/fstream.hpp>
 
 #include <string.h>
+#include <algorithm>
 
 namespace fc
 {