diff --git a/modules/ui/popup/config.el b/modules/ui/popup/config.el
index 3e85e1525..27504302e 100644
--- a/modules/ui/popup/config.el
+++ b/modules/ui/popup/config.el
@@ -151,7 +151,7 @@ prevent the popup(s) from messing up the UI (or vice versa)."
       ("^ \\*undo-tree\\*"
        :slot 2 :side left :size 20 :select t :quit t)
       ;; `help-mode', `helpful-mode'
-      ("^\\*[Hh]elp"
+      ("^\\*\\([Hh]elp\\|Apropos\\)"
        :slot 2 :vslot -8 :size 0.35 :select t)
       ("^\\*eww\\*"  ; `eww' (and used by dash docsets)
        :vslot -11 :size 0.35 :select t)