diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index 8cb61fd7ec9ea304a07b6d563ce59296c9959514..8ce2373cf59df8fe1767b9601b5e0dd50c21ad62 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -35,7 +35,7 @@ class TestSingleDrive(iotests.QMPTestCase):
         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
         qemu_io('-c', 'write -P 0x1 0 512', backing_img)
-        self.vm = iotests.VM().add_drive(test_img)
+        self.vm = iotests.VM().add_drive("blkdebug::" + test_img)
         self.vm.launch()
 
     def tearDown(self):