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-rw-r--r--block/qcow2.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 96fb8a8f16..3e274bd1ba 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2743,6 +2743,7 @@ static int make_completely_empty(BlockDriverState *bs)
 
     s->refcount_table_offset = s->cluster_size;
     s->refcount_table_size   = s->cluster_size / sizeof(uint64_t);
+    s->max_refcount_table_index = 0;
 
     g_free(s->refcount_table);
     s->refcount_table = new_reftable;