diff --git a/server/gameserver/base_agent.cc b/server/gameserver/base_agent.cc
index a89cbaee..8147a2d0 100644
--- a/server/gameserver/base_agent.cc
+++ b/server/gameserver/base_agent.cc
@@ -3,6 +3,7 @@
 #include "base_agent.h"
 #include "room.h"
 #include "creature.h"
+#include "human.h"
 
 BaseAgent::BaseAgent():behaviac::Agent()
 {