diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 54ae210b43..074a4aaf1e 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -406,10 +406,10 @@ static int count_contiguous_clusters(int nb_clusters, int cluster_size,
 
 /*
  * Checks how many consecutive unallocated clusters in a given L2
- * table have the same cluster type.
+ * slice have the same cluster type.
  */
 static int count_contiguous_clusters_unallocated(int nb_clusters,
-                                                 uint64_t *l2_table,
+                                                 uint64_t *l2_slice,
                                                  QCow2ClusterType wanted_type)
 {
     int i;
@@ -417,7 +417,7 @@ static int count_contiguous_clusters_unallocated(int nb_clusters,
     assert(wanted_type == QCOW2_CLUSTER_ZERO_PLAIN ||
            wanted_type == QCOW2_CLUSTER_UNALLOCATED);
     for (i = 0; i < nb_clusters; i++) {
-        uint64_t entry = be64_to_cpu(l2_table[i]);
+        uint64_t entry = be64_to_cpu(l2_slice[i]);
         QCow2ClusterType type = qcow2_get_cluster_type(entry);
 
         if (type != wanted_type) {