diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 5198ada67398f83019066002a733fdc54a5b8f90..6d720243f5f4a29a43a7b50dd005bbff32a7b0aa 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -334,6 +334,7 @@ void delete_partition(struct gendisk *disk, int partno)
 
 	blk_free_devt(part_devt(part));
 	rcu_assign_pointer(ptbl->part[partno], NULL);
+	rcu_assign_pointer(ptbl->last_lookup, NULL);
 	kobject_put(part->holder_dir);
 	device_del(part_to_dev(part));