diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index abff6b6e7d3080f57f02bb2c50ef6feaa94d1116..a066d9b3f6e0689f339fcac2f9944d2ca09448c8 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -76,7 +76,7 @@
      IOCTL(BLKFLSBUF, 0, TYPE_NULL)
      IOCTL(BLKRASET, 0, TYPE_INT)
      IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
-     IOCTL(BLKSSZGET, IOC_R, MK_PTR(TYPE_LONG))
+     IOCTL(BLKSSZGET, IOC_R, MK_PTR(TYPE_INT))
      IOCTL(BLKBSZGET, IOC_R, MK_PTR(TYPE_INT))
      IOCTL_SPECIAL(BLKPG, IOC_W, do_ioctl_blkpg,
                    MK_PTR(MK_STRUCT(STRUCT_blkpg_ioctl_arg)))