diff --git a/src/server.cpp b/src/server.cpp
index 9d7127b5d..8707b07f5 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -57,6 +57,7 @@
 #include <sys/utsname.h>
 #include <locale.h>
 #include <sys/socket.h>
+#include <algorithm>
 
 /* Our shared "common" objects */