diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 9bfb390519..c38e970bf2 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -1152,9 +1152,11 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
 
     size = bdrv_getlength(bs->file);
     nb_clusters = size_to_clusters(s, size);
-    res->bfi.total_clusters = nb_clusters;
     refcount_table = g_malloc0(nb_clusters * sizeof(uint16_t));
 
+    res->bfi.total_clusters =
+        size_to_clusters(s, bs->total_sectors * BDRV_SECTOR_SIZE);
+
     /* header */
     inc_refcounts(bs, res, refcount_table, nb_clusters,
         0, s->cluster_size);
diff --git a/tests/qemu-iotests/044.out b/tests/qemu-iotests/044.out
index 5eed3f87a3..34c25c793e 100644
--- a/tests/qemu-iotests/044.out
+++ b/tests/qemu-iotests/044.out
@@ -1,5 +1,5 @@
 No errors were found on the image.
-7292415/8391499= 86.90% allocated, 0.00% fragmented, 0.00% compressed clusters
+7292415/33554432 = 21.73% allocated, 0.00% fragmented, 0.00% compressed clusters
 Image end offset: 4296447488
 .
 ----------------------------------------------------------------------