diff --git a/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp b/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
index d946cf5..920d7c8 100644
--- a/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
+++ b/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
@@ -82,8 +82,8 @@ CScriptArray* GetMoves(const PkmnLib::Battling::Pokemon* obj) {
     }
     return nullptr;
 }
-static bool HasHeldItem(const PkmnLib::Battling::Pokemon* obj, const Arbutils::CaseInsensitiveConstString& str) {
-    return obj->HasHeldItem(str);
+static bool HasHeldItem(const PkmnLib::Battling::Pokemon* obj, const ConstString& str) {
+    return obj->HasHeldItem(str.GetHash());
 }
 
 
@@ -115,7 +115,7 @@ void RegisterPokemonClass::RegisterPokemonType(asIScriptEngine* engine) {
                                      asMETHOD(PkmnLib::Battling::Pokemon, GetHeldItem), asCALL_THISCALL);
     assert(r >= 0);
     r = engine->RegisterObjectMethod("Pokemon", "bool HasHeldItem(const constString &in name) const",
-                                     asFUNCTION(HasHeldItem), asCALL_CDECL_OBJLAST);
+                                     asFUNCTION(HasHeldItem), asCALL_CDECL_OBJFIRST);
     assert(r >= 0);
     r = engine->RegisterObjectMethod(
         "Pokemon", "void SetHeldItem(const string &in name)",
diff --git a/tests/ScriptTests/ScriptTypeTests/Battle/PokemonTests.cpp b/tests/ScriptTests/ScriptTypeTests/Battle/PokemonTests.cpp
index f568b05..eceddb1 100644
--- a/tests/ScriptTests/ScriptTypeTests/Battle/PokemonTests.cpp
+++ b/tests/ScriptTests/ScriptTypeTests/Battle/PokemonTests.cpp
@@ -25,6 +25,7 @@ class testScript1 {
     void testDamage(Pokemon@ p, uint32 damage, DamageSource source){ p.Damage(damage, source); }
     void testHeal(Pokemon@ p, uint32 amount){ p.Heal(amount); }
     bool testMove(Pokemon@ p, uint index, LearnedMove@ move){ return p.GetMoves()[index] is move; }
+    bool testHasHeldItem(Pokemon@ p, const string &in item){ return p.HasHeldItem(item); }
 
 }}
 )"}};
@@ -334,6 +335,25 @@ TEST_CASE("Validate Pokemon GetMoves in Script") {
     delete mon;
 }
 
+TEST_CASE("Validate Pokemon HasHeldItem in Script") {
+    auto mainLib = TestLibrary::GetLibrary();
+
+    auto mon = PkmnLib::Battling::CreatePokemon(mainLib, "testSpecies3"_cnc, 30)
+        .WithForme("default"_cnc)
+        ->WithHeldItem("testItem"_cnc)
+        ->Build();
+    auto data = GetScript(mainLib, "testHasHeldItem"_cnc);
+
+    data.Context->SetArgObject(0, const_cast<PkmnLib::Battling::Pokemon*>(mon));
+    std::string item = "testItem";
+    data.Context->SetArgAddress(1, &item);
+
+    REQUIRE(data.Context->Execute() == asEXECUTION_FINISHED);
+    REQUIRE((bool)data.Context->GetReturnDWord());
+
+
+    delete mon;
+}
 
 
 #endif
\ No newline at end of file