diff --git a/tests/qemu-iotests/222 b/tests/qemu-iotests/222
index 0ead56d574af..3f9f934ad81a 100644
--- a/tests/qemu-iotests/222
+++ b/tests/qemu-iotests/222
@@ -48,7 +48,7 @@ remainder = [("0xd5", "0x108000",  "32k"), # Right-end of partial-left [1]
 
 with iotests.FilePath('base.img') as base_img_path, \
      iotests.FilePath('fleece.img') as fleece_img_path, \
-     iotests.FilePath('nbd.sock') as nbd_sock_path, \
+     iotests.FilePath('nbd.sock', iotests.sock_dir) as nbd_sock_path, \
      iotests.VM() as vm:
 
     log('--- Setting up images ---')