1 files changed, 5 insertions, 5 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp b/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
index fddded47f1..17f2a3fcb2 100644
--- a/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
@@ -202,14 +202,14 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::define_property_)
         vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, "Object argument");
         return {};
     }
+    auto property_key = vm.argument(1).to_property_key(global_object);
+    if (vm.exception())
+        return {};
     if (!vm.argument(2).is_object()) {
         vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, "Descriptor argument");
         return {};
     }
     auto& object = vm.argument(0).as_object();
-    auto property_key = StringOrSymbol::from_value(global_object, vm.argument(1));
-    if (vm.exception())
-        return {};
     auto& descriptor = vm.argument(2).as_object();
     if (!object.define_property(property_key, descriptor)) {
         if (!vm.exception()) {
@@ -316,10 +316,10 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::has_own)
     auto* object = vm.argument(0).to_object(global_object);
     if (vm.exception())
         return {};
-    auto string_or_symbol = StringOrSymbol::from_value(global_object, vm.argument(1));
+    auto property_key = vm.argument(1).to_property_key(global_object);
     if (vm.exception())
         return {};
-    return Value(object->has_own_property(string_or_symbol));
+    return Value(object->has_own_property(property_key));
 }
 
 }