diff --git a/source/WorldServer/Entity.cpp b/source/WorldServer/Entity.cpp
index 90f5944..e3636b7 100644
--- a/source/WorldServer/Entity.cpp
+++ b/source/WorldServer/Entity.cpp
@@ -3267,7 +3267,7 @@ bool Entity::IsDazeImmune(){
 	return (immunities[IMMUNITY_TYPE_DAZE] && immunities[IMMUNITY_TYPE_DAZE]->size(true) > 0);
 }
 
-void Entity::AddImmunity(LuaSpell* spell, int16 type){
+void Entity::AddImmunity(LuaSpell* spell, int8 type){
 	if (!spell)
 		return;
 
@@ -3277,7 +3277,7 @@ void Entity::AddImmunity(LuaSpell* spell, int16 type){
 	immunities[type]->Add(spell);
 }
 
-void Entity::RemoveImmunity(LuaSpell* spell, int16 type){
+void Entity::RemoveImmunity(LuaSpell* spell, int8 type){
 	MutexList<LuaSpell*>* list = immunities[type];
 	if (!list || list->size(true) == 0)
 		return;
@@ -3285,7 +3285,7 @@ void Entity::RemoveImmunity(LuaSpell* spell, int16 type){
 	list->Remove(spell);
 }
 
-bool Entity::IsImmune(int16 type){
+bool Entity::IsImmune(int8 type){
 	return (immunities[type] && immunities[type]->size(true) > 0);
 }
 
diff --git a/source/WorldServer/Entity.h b/source/WorldServer/Entity.h
index e97ff0d..3ffbf96 100644
--- a/source/WorldServer/Entity.h
+++ b/source/WorldServer/Entity.h
@@ -1899,9 +1899,9 @@ public:
 	void AddDazeImmunity(LuaSpell* spell);
 	void RemoveDazeImmunity(LuaSpell* spell);
 	bool IsDazeImmune();
-	void AddImmunity(LuaSpell* spell, int16 type);
-	void RemoveImmunity(LuaSpell* spell, int16 type);
-	bool IsImmune(int16 type);
+	void AddImmunity(LuaSpell* spell, int8 type);
+	void RemoveImmunity(LuaSpell* spell, int8 type);
+	bool IsImmune(int8 type);
 	void AddFlightSpell(LuaSpell* spell);
 	void RemoveFlightSpell(LuaSpell* spell);
 	void AddSafefallSpell(LuaSpell* spell);