diff --git a/xdg-config-dir/herbstluftwm/autostart b/xdg-config-dir/herbstluftwm/autostart
index ceacb66..e8d1e0b 100755
--- a/xdg-config-dir/herbstluftwm/autostart
+++ b/xdg-config-dir/herbstluftwm/autostart
@@ -148,6 +148,7 @@ hc rule windowtype="_NET_WM_WINDOW_TYPE_DIALOG" focus=on
 hc rule windowtype~"_NET_WM_WINDOW_TYPE_(NOTIFICATION|DOCK|DESKTOP)" manage=off
 
 hc rule class=XTerm pseudotile=on
+hc rule class=Firefox pseudotile=on tag=3
 hc rule class=Firefox instance=Navigator fullscreen=on tag=3
 hc rule class="Tor Browser" pseudotile=on tag=3
 hc rule class=SshAskpass pseudotile=on