diff --git a/tests/server_cockpit_autoupdate.pm b/tests/server_cockpit_autoupdate.pm
index 1bef71f5..08c7f748 100644
--- a/tests/server_cockpit_autoupdate.pm
+++ b/tests/server_cockpit_autoupdate.pm
@@ -28,7 +28,7 @@ sub run {
     assert_screen 'autoupdate_planned_time';
 
     # Quit Cockpit
-    send_key "ctrl-q";
+    quit_firefox;
     sleep 3;
 
     # Check that the dnf-automatic service has started
diff --git a/tests/server_cockpit_updates.pm b/tests/server_cockpit_updates.pm
index 1f3a6c34..40a209fc 100644
--- a/tests/server_cockpit_updates.pm
+++ b/tests/server_cockpit_updates.pm
@@ -47,7 +47,7 @@ sub run {
         # needed and if so, we will restart Firefox and login again.
         #
         if (check_screen("cockpit_updates_reconnect", 1)) {
-            send_key "ctrl-q";
+            quit_firefox;
             sleep 5;
             start_cockpit(1);
             select_cockpit_update();
@@ -68,7 +68,7 @@ sub run {
     assert_screen 'cockpit_updates_updated';
 
     # Switch off Cockpit
-    send_key "ctrl-q";
+    quit_firefox;
 
     # Wait a couple of seconds for the terminal to settle down, the command was
     # entered incorrectly which resulted in a failure.