diff --git a/src/MESSAGE/server_mc.cpp b/src/MESSAGE/server_mc.cpp
index c4e64b4bf8..af7850a0e9 100644
--- a/src/MESSAGE/server_mc.cpp
+++ b/src/MESSAGE/server_mc.cpp
@@ -13,6 +13,7 @@
 
 #include "server_mc.h"
 #include "atom.h"
+#include "domain.h"
 #include "update.h"
 #include "integrate.h"
 #include "input.h"