Ibrahima Mbaye's own goal prevented Bologna from picking up a first win in five Serie A games as they drew 1-1 at Chievo.Bologna's Blerim Dzemaili went closest to breaking the deadlock in a first half of few chances, while Riccardo Meggiorini almost put Chievo ahead.But the visitors took the lead after 52 minutes when Sadiq Umar found Erick Pulgar and his deflected shot deceived Stefano Sorrentino in the Chievo goal.Holland international Jonathan de Guzman was prominent for Chievo and they equalised 20 minutes from time when Mbaye turned the ball into his own net.