diff --git a/src/qml/qml/v8/qv8contextwrapper.cpp b/src/qml/qml/v8/qv8contextwrapper.cpp
index e7c26fde9e..39392b8984 100644
--- a/src/qml/qml/v8/qv8contextwrapper.cpp
+++ b/src/qml/qml/v8/qv8contextwrapper.cpp
@@ -238,16 +238,11 @@ QQmlContextData *QV8ContextWrapper::context(v8::Handle<v8::Value> value)
     return r?r->getContext():0;
 }
 
-v8::Handle<v8::Value> QV8ContextWrapper::NullGetter(v8::Local<v8::String> property, 
-                                                    const v8::AccessorInfo &info)
+v8::Handle<v8::Value> QV8ContextWrapper::NullGetter(v8::Local<v8::String>,
+                                                    const v8::AccessorInfo &)
 {
-    QV8ContextResource *resource = v8_resource_check<QV8ContextResource>(info.This());
-
-    QV8Engine *engine = resource->engine;
-
-    QString error = engine->toString(property) + QLatin1String(" is not defined");
-    v8::ThrowException(v8::Exception::ReferenceError(engine->toString(error)));
-    return v8::Undefined();
+    // V8 will throw a ReferenceError if appropriate ("typeof" should not throw)
+    return v8::Handle<v8::Value>();
 }
 
 v8::Handle<v8::Value> QV8ContextWrapper::Getter(v8::Local<v8::String> property, 
@@ -365,9 +360,8 @@ v8::Handle<v8::Value> QV8ContextWrapper::Getter(v8::Local<v8::String> property,
 
     expressionContext->unresolvedNames = true;
 
-    QString error = engine->toString(property) + QLatin1String(" is not defined");
-    v8::ThrowException(v8::Exception::ReferenceError(engine->toString(error)));
-    return v8::Undefined();
+    // V8 will throw a ReferenceError if appropriate ("typeof" should not throw)
+    return v8::Handle<v8::Value>();
 }
 
 v8::Handle<v8::Value> QV8ContextWrapper::NullSetter(v8::Local<v8::String> property, 
diff --git a/tests/auto/qml/qqmlecmascript/data/qtbug_24448.js b/tests/auto/qml/qqmlecmascript/data/qtbug_24448.js
new file mode 100644
index 0000000000..eefe00337c
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/qtbug_24448.js
@@ -0,0 +1,6 @@
+var test = false;
+try {
+    eval(foo);
+} catch (e) {
+    test = (typeof foo) === "undefined";
+}
diff --git a/tests/auto/qml/qqmlecmascript/data/qtbug_24448.qml b/tests/auto/qml/qqmlecmascript/data/qtbug_24448.qml
new file mode 100644
index 0000000000..d8d305d104
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/qtbug_24448.qml
@@ -0,0 +1,7 @@
+import "qtbug_24448.js" as Test
+import QtQuick 2.0
+
+QtObject {
+    property bool test: Test.test
+}
+
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index 3fe0a2bd1a..8fea635b68 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -207,6 +207,7 @@ private slots:
     void deleteLater();
     void in();
     void typeOf();
+    void qtbug_24448();
     void sharedAttachedObject();
     void objectName();
     void writeRemovesBinding();
@@ -5376,17 +5377,9 @@ void tst_qqmlecmascript::typeOf()
 {
     QQmlComponent component(&engine, testFileUrl("typeOf.qml"));
 
-    // These warnings should not happen once QTBUG-21864 is fixed
-    QString warning1 = component.url().toString() + QLatin1String(":16: Error: Cannot assign [undefined] to QString");
-    QString warning2 = component.url().resolved(QUrl("typeOf.js")).toString() + QLatin1String(":1: ReferenceError: a is not defined");
-
-    QTest::ignoreMessage(QtWarningMsg, qPrintable(warning1));
-    QTest::ignoreMessage(QtWarningMsg, qPrintable(warning2));
-
     QObject *o = component.create();
     QVERIFY(o != 0);
 
-    QEXPECT_FAIL("", "QTBUG-21864", Abort);
     QCOMPARE(o->property("test1").toString(), QLatin1String("undefined"));
     QCOMPARE(o->property("test2").toString(), QLatin1String("object"));
     QCOMPARE(o->property("test3").toString(), QLatin1String("number"));
@@ -5400,6 +5393,14 @@ void tst_qqmlecmascript::typeOf()
     delete o;
 }
 
+void tst_qqmlecmascript::qtbug_24448()
+{
+    QQmlComponent component(&engine, testFileUrl("qtbug_24448.qml"));
+    QScopedPointer<QObject> o(component.create());
+    QVERIFY(o != 0);
+    QVERIFY(o->property("test").toBool());
+}
+
 void tst_qqmlecmascript::sharedAttachedObject()
 {
     QQmlComponent component(&engine, testFileUrl("sharedAttachedObject.qml"));