diff --git a/block/qcow2.c b/block/qcow2.c
index 2c1cd0a..5be5ace 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -415,7 +415,7 @@
 #ifdef DEBUG_ALLOC
     {
         BdrvCheckResult result = {0};
-        qcow2_check_refcounts(bs, &result);
+        qcow2_check_refcounts(bs, &result, 0);
     }
 #endif
     return ret;