@ -625,7 +625,7 @@ namespace MWGui
void DialogueWindow::onFrame(float dt)
{
checkReferenceAvailable();
if(mPtr.getTypeName() == typeid(ESM::NPC).name())
if(!mPtr.isEmpty() && mPtr.getTypeName() == typeid(ESM::NPC).name())
int disp = MWBase::Environment::get().getMechanicsManager()->getDerivedDisposition(mPtr);
mDispositionBar->setProgressRange(100);