diff --git a/src/construction.cpp b/src/construction.cpp
index 9e889855c5cde..237a29740bcfe 100644
--- a/src/construction.cpp
+++ b/src/construction.cpp
@@ -49,6 +49,7 @@
 #include "npc.h"
 #include "options.h"
 #include "output.h"
+#include "overmap.h"
 #include "player_activity.h"
 #include "point.h"
 #include "requirements.h"