diff --git a/src/vanillaScripts/boss_lord_kazzak.cpp b/src/vanillaScripts/boss_lord_kazzak.cpp
index 3b37eb1..9f3f851 100644
--- a/src/vanillaScripts/boss_lord_kazzak.cpp
+++ b/src/vanillaScripts/boss_lord_kazzak.cpp
@@ -22,6 +22,7 @@
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 #include "SpellAuraEffects.h"
+#include "SpellMgr.h"
 #include "SpellScript.h"
 
 #include "ProgressionSystem.h"