diff --git a/tests/acceptance/virtiofs_submounts.py b/tests/acceptance/virtiofs_submounts.py
index 5b74ce2929bd..ca64b76301f3 100644
--- a/tests/acceptance/virtiofs_submounts.py
+++ b/tests/acceptance/virtiofs_submounts.py
@@ -251,7 +251,7 @@ def setUp(self):
 
         super(VirtiofsSubmountsTest, self).setUp(pubkey)
 
-        if len(vmlinuz) > 0:
+        if vmlinuz:
             self.vm.add_args('-kernel', vmlinuz,
                              '-append', 'console=ttyS0 root=/dev/sda1')