diff --git a/drivers/video/kyro/fbdev.c b/drivers/video/kyro/fbdev.c
index 50c857477e4f1fff39527a4570fc4bf16a640c5e..65041e15fd598ec465c76369fe62cab480746655 100644
--- a/drivers/video/kyro/fbdev.c
+++ b/drivers/video/kyro/fbdev.c
@@ -624,15 +624,15 @@ static int kyrofb_ioctl(struct fb_info *info,
 			return -EINVAL;
 		}
 	case KYRO_IOCTL_UVSTRIDE:
-		if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(unsigned long)))
+		if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride)))
 			return -EFAULT;
 		break;
 	case KYRO_IOCTL_STRIDE:
-		if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(unsigned long)))
+		if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride)))
 			return -EFAULT;
 		break;
 	case KYRO_IOCTL_OVERLAY_OFFSET:
-		if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(unsigned long)))
+		if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset)))
 			return -EFAULT;
 		break;
 	}