diff --git a/src/map.h b/src/map.h
index 79ab7e8622..d907f97be3 100644
--- a/src/map.h
+++ b/src/map.h
@@ -7,6 +7,7 @@
 #include "house.h"
 #include "position.h"
 #include "spawn.h"
+#include "spectators.h"
 #include "town.h"
 
 class Creature;