A wind stop device for motor vehicles having improved stability. The wind stop device comprising a wind blocker having a wind blocker frame extending transversely to a vehicles longitudinal axis. The device further comprising a flow-hindering element closing a frame opening of the wind blocker frame, wherein the wind blocker is foldable about a wind blocker-folding axis by way of at least one hinge. The device further comprising a cover pivotally connected to the wind blocker about a pivot axis and having a cover frame extending transversely to a vehicles longitudinal axis and extending away from the pivot axis. The flow-hindering element closing a frame opening of the cover frame, wherein the cover frame is foldable about a cover folding axis by way of at least one hinge, where the hinges can have a blocking device to prevent the cover frame from folding.