diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 4f33714fb3cd..e1f2c2e54f5f 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1407,8 +1407,10 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
 			drbd_free_bc(mdev->ldev);
 			mdev->ldev = NULL;);
 
-		if (mdev->md_io_tmpp)
+		if (mdev->md_io_tmpp) {
 			__free_page(mdev->md_io_tmpp);
+			mdev->md_io_tmpp = NULL;
+		}
 	}
 
 	/* Disks got bigger while they were detached */