diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 113db8b414..428b5ad5e8 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -806,6 +806,11 @@ again:
         abort();
     }
 
+    /* save info needed for meta data update */
+    m->offset = offset;
+    m->n_start = n_start;
+    m->nb_clusters = nb_clusters;
+
     QLIST_INSERT_HEAD(&s->cluster_allocs, m, next_in_flight);
 
     /* allocate a new cluster */
@@ -816,11 +821,6 @@ again:
         goto fail;
     }
 
-    /* save info needed for meta data update */
-    m->offset = offset;
-    m->n_start = n_start;
-    m->nb_clusters = nb_clusters;
-
 out:
     ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table);
     if (ret < 0) {