diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index c11680d12..ed5c4b2a6 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -696,6 +696,7 @@ int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
 
     ret = write_l2_entries(bs, l2_table, l2_offset, l2_index, m->nb_clusters);
     if (ret < 0) {
+        qcow2_l2_cache_reset(bs);
         goto err;
     }