diff --git a/test/upstart-jobs/sshd.nix b/test/upstart-jobs/sshd.nix
index 919a96dda5a7..466c7616f556 100644
--- a/test/upstart-jobs/sshd.nix
+++ b/test/upstart-jobs/sshd.nix
@@ -26,7 +26,7 @@ start script
 
 end script
 
-respawn ${openssh}/sbin/sshd -h /etc/ssh/ssh_host_dsa_key -f /etc/ssh/sshd_config
+respawn ${openssh}/sbin/sshd -D -h /etc/ssh/ssh_host_dsa_key -f /etc/ssh/sshd_config
   ";
   
 }