diff --git a/au_test_harness/vm_au_worker.py b/au_test_harness/vm_au_worker.py
index 6a4b588..adb199a 100644
--- a/au_test_harness/vm_au_worker.py
+++ b/au_test_harness/vm_au_worker.py
@@ -99,6 +99,7 @@
                '--kvm_pid=%s' % self._kvm_pid_file,
                '--ssh_port=%s' % self._ssh_port,
                '--results_dir_root=%s' % log_directory_in_chroot,
+               '--verbose=0',
                test,
               ]
     if self.graphics_flag: command.append(self.graphics_flag)