Recaptcha Street View Address give correct even if you enter wrong numeric value

I have implemented the recaptcha on our site and i am seeing new street view based recaptcha rather then the distorted text. The street view address recaptcha validate this true even if you enter wrong value also. This was a problem. Image attached. Please anyone have any suggestion. Thank you Hrushikesh -- You received this message because you are subscribed to the Google Groups "reCAPTCHA" group. To unsubscribe from this group and stop receiving emails from it, send an email to recaptcha+unsubscribe@googlegroups.com. To post to this group, send email to recaptcha@googlegroups.com. Visit this group at http://bit.ly/1dkFnYd. For more options, visit http://bit.ly/P65DvS.