diff --git a/Userland/Libraries/LibJS/AST.cpp b/Userland/Libraries/LibJS/AST.cpp
index 4d08481de0..2eace27df2 100644
--- a/Userland/Libraries/LibJS/AST.cpp
+++ b/Userland/Libraries/LibJS/AST.cpp
@@ -479,7 +479,7 @@ Value ForInStatement::execute(Interpreter& interpreter, GlobalObject& global_obj
         return {};
     auto* object = rhs_result.to_object(global_object);
     while (object) {
-        auto property_names = object->get_own_properties(Object::PropertyKind::Key, true);
+        auto property_names = object->get_enumerable_own_property_names(Object::PropertyKind::Key);
         for (auto& property_name : property_names.as_object().indexed_properties()) {
             interpreter.vm().set_variable(variable_name, property_name.value_and_attributes(object).value, global_object, has_declaration);
             if (interpreter.exception())
diff --git a/Userland/Libraries/LibJS/Runtime/Object.cpp b/Userland/Libraries/LibJS/Runtime/Object.cpp
index aff9e0e86b..ba9e56be2f 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Object.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2020-2021, Linus Groh <mail@linusgroh.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -262,6 +263,12 @@ Value Object::get_own_properties(PropertyKind kind, bool only_enumerable_propert
     return properties_array;
 }
 
+// 7.3.23 EnumerableOwnPropertyNames, https://tc39.es/ecma262/#sec-enumerableownpropertynames
+Value Object::get_enumerable_own_property_names(PropertyKind kind) const
+{
+    return get_own_properties(kind, true, Object::GetOwnPropertyReturnType::StringOnly);
+}
+
 Optional<PropertyDescriptor> Object::get_own_property_descriptor(const PropertyName& property_name) const
 {
     VERIFY(property_name.is_valid());
diff --git a/Userland/Libraries/LibJS/Runtime/Object.h b/Userland/Libraries/LibJS/Runtime/Object.h
index e1f5c8dd94..b5b6ba57ad 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.h
+++ b/Userland/Libraries/LibJS/Runtime/Object.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2020-2021, Linus Groh <mail@linusgroh.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -96,6 +97,7 @@ public:
 
     Value get_own_property(const PropertyName&, Value receiver) const;
     Value get_own_properties(PropertyKind, bool only_enumerable_properties = false, GetOwnPropertyReturnType = GetOwnPropertyReturnType::StringOnly) const;
+    Value get_enumerable_own_property_names(PropertyKind) const;
     virtual Optional<PropertyDescriptor> get_own_property_descriptor(const PropertyName&) const;
     Value get_own_property_descriptor_object(const PropertyName&) const;
 
diff --git a/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp b/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
index 88793ed56d..2551b10d3c 100644
--- a/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
@@ -209,7 +209,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::keys)
     if (vm.exception())
         return {};
 
-    return obj_arg->get_own_properties(PropertyKind::Key, true);
+    return obj_arg->get_enumerable_own_property_names(PropertyKind::Key);
 }
 
 JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::values)
@@ -222,7 +222,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::values)
     if (vm.exception())
         return {};
 
-    return obj_arg->get_own_properties(PropertyKind::Value, true);
+    return obj_arg->get_enumerable_own_property_names(PropertyKind::Value);
 }
 
 JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::entries)
@@ -235,7 +235,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::entries)
     if (vm.exception())
         return {};
 
-    return obj_arg->get_own_properties(PropertyKind::KeyAndValue, true);
+    return obj_arg->get_enumerable_own_property_names(PropertyKind::KeyAndValue);
 }
 
 }