diff --git a/lib/base/array-script.cpp b/lib/base/array-script.cpp
index 006adf0b4..751c552d3 100644
--- a/lib/base/array-script.cpp
+++ b/lib/base/array-script.cpp
@@ -66,11 +66,11 @@ static void ArrayClear(void)
 	self->Clear();
 }
 
-static void ArrayClone(void)
+static Array::Ptr ArrayClone(void)
 {
 	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
 	Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
-	self->ShallowClone();
+	return self->ShallowClone();
 }
 
 Object::Ptr Array::GetPrototype(void)
diff --git a/lib/base/dictionary-script.cpp b/lib/base/dictionary-script.cpp
index 61d43e5e9..c46cdc990 100644
--- a/lib/base/dictionary-script.cpp
+++ b/lib/base/dictionary-script.cpp
@@ -52,11 +52,11 @@ static bool DictionaryContains(const String& key)
 	return self->Contains(key);
 }
 
-static void DictionaryClone(void)
+static Dictionary::Ptr DictionaryClone(void)
 {
 	ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
 	Dictionary::Ptr self = static_cast<Dictionary::Ptr>(vframe->Self);
-	self->ShallowClone();
+	return self->ShallowClone();
 }
 
 Object::Ptr Dictionary::GetPrototype(void)