diff --git a/src/game/CreatureAI.h b/src/game/CreatureAI.h
index 6b03100546..605e904c71 100644
--- a/src/game/CreatureAI.h
+++ b/src/game/CreatureAI.h
@@ -22,6 +22,7 @@
 #define TRINITY_CREATUREAI_H
 
 #include "UnitAI.h"
+#include "Common.h"
 
 class WorldObject;
 class Unit;
diff --git a/src/game/UnitAI.cpp b/src/game/UnitAI.cpp
index c991c75603..76460bd8cc 100644
--- a/src/game/UnitAI.cpp
+++ b/src/game/UnitAI.cpp
@@ -19,6 +19,7 @@
  */
 
 #include "UnitAI.h"
+#include "Unit.h"
 #include "SpellAuras.h"
 
 void UnitAI::AttackStart(Unit *victim)