1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index f6abff6..7610e56 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -311,7 +311,7 @@ static int qcow2_open(BlockDriverState *bs, int flags)
     be32_to_cpus(&header.nb_snapshots);
 
     if (header.magic != QCOW_MAGIC) {
-        ret = -EINVAL;
+        ret = -EMEDIUMTYPE;
         goto fail;
     }
     if (header.version < 2 || header.version > 3) {