diff --git a/tests/remote_desktop_freerdp.pm b/tests/remote_desktop_freerdp.pm
index 13d9a738..f9208626 100644
--- a/tests/remote_desktop_freerdp.pm
+++ b/tests/remote_desktop_freerdp.pm
@@ -23,7 +23,7 @@ sub run {
     # When the subsequent scripts wait for the server to complete the settings,
     # the machines go to sleep and waking them up is unreliable when we need
     # them. Let us switch off that behaviour first.
-    assert_script_run("su $login", timeout => 20);
+    enter_cmd("su $login");
     enter_cmd("dconf write /org/gnome/settings-daemon/plugins/power/idle-dim false");
     enter_cmd("dconf write /org/gnome/desktop/session/idle-delay 0");
     enter_cmd("dconf write /org/gnome/desktop/screensaver/lock-enabled false");