diff --git a/systemd/misc-x@.service b/systemd/misc-x@.service
index b50098d..e8bd507 100644
--- a/systemd/misc-x@.service
+++ b/systemd/misc-x@.service
@@ -5,7 +5,11 @@ PartOf=graphical-session@%i.target
 [Service]
 Environment=DISPLAY=%I
 ExecStart=/usr/bin/xset -b
-ExecStart=/usr/bin/xdg-mime default firefox.desktop x-scheme-handler/http x-scheme-handler/https text/html
+ExecStart=/usr/bin/xdg-mime default firefox.desktop \
+                            x-scheme-handler/http \
+                            x-scheme-handler/https \
+                            x-scheme-handler/about \
+                            text/html
 ExecStart=/usr/bin/xdg-mime default emacsmail.desktop x-scheme-handler/mailto
 ExecStart=/usr/bin/xdg-mime default org.gnome.Evince.desktop application/pdf
 ExecStart=/usr/bin/xdg-mime default gpicview.desktop image/png image/jpeg image/jpg image/gif image/webp