--- a/src/qtwebkit/Source/WebCore/bridge/qt/qt_runtime.cpp
+++ b/src/qtwebkit/Source/WebCore/bridge/qt/qt_runtime.cpp
@@ -1440,7 +1440,8 @@ JSValueRef QtRuntimeMethod::connectOrDisconnect(JSContextRef context, JSObjectRe
 
         // Yep, disconnect it
         QMetaObject::disconnect(sender, signalIndex, conn, conn->metaObject()->methodOffset());
-        delete conn; // this will also remove it from the map
+        // this will also remove it from the map
+        conn->deleteLater();
         return JSValueMakeUndefined(context);
     }
@@ -1582,7 +1582,14 @@ void QtConnectionObject::execute(void** argv)
         args[i] = convertQVariantToValue(m_context, m_rootObject, QVariant(argType, argv[i+1]), ignoredException);
     }
 
-    JSObjectCallAsFunction(m_context, m_receiverFunction, m_receiver, argc, args.data(), 0);
+    JSValueRef call_exception = 0;
+    JSObjectCallAsFunction(m_context, m_receiverFunction, m_receiver, argc, args.data(), &call_exception);
+
+    if (call_exception) {
+        ExecState* exec = toJS(m_context);
+        APIEntryShim shim(exec);
+        WebCore::reportException(exec, toJS(exec, call_exception));
+    }
 }
 
 bool QtConnectionObject::match(JSContextRef context, QObject* sender, int signalIndex, JSObjectRef receiver, JSObjectRef receiverFunction)