diff --git a/block/qcow2.c b/block/qcow2.c
index 6b2d887..6fa5e1d 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -4569,7 +4569,7 @@
     char *message;
     va_list ap;
 
-    fatal = fatal && !bs->read_only;
+    fatal = fatal && bdrv_is_writable(bs);
 
     if (s->signaled_corruption &&
         (!fatal || (s->incompatible_features & QCOW2_INCOMPAT_CORRUPT)))