Abstract: A workpiece alignment device for sewing machines for aligning a workpiece fold edge, such as a shirt buttonhole strip. A ruler stop is provided positioned on a sewing machine work surface. An alignment finger is provided connected to a double action cylinder for movement of the finger between a first position and a second position as the flat alignment finger is guided by a guide plate having guide sections extending upwardly such that the flat alignment finger connected to a bow-shaped hook may be moved upwardly and away from the guide ruler and away from the workpiece and downwardly toward the workpiece and guide ruler to engage the folded section to move the folded section into alignment with the ruler stop.