diff --git a/src/server/game/AI/CoreAI/CombatAI.cpp b/src/server/game/AI/CoreAI/CombatAI.cpp
index 6e30e709ff..76a53c0762 100755
--- a/src/server/game/AI/CoreAI/CombatAI.cpp
+++ b/src/server/game/AI/CoreAI/CombatAI.cpp
@@ -19,6 +19,7 @@
 #include "CombatAI.h"
 #include "SpellMgr.h"
 #include "Vehicle.h"
+#include "ObjectAccessor.h"
 
 int AggressorAI::Permissible(const Creature *creature)
 {