diff --git a/etc/systemd/system/README.md b/etc/systemd/system/README.md
index 97505db1..ead36349 100644
--- a/etc/systemd/system/README.md
+++ b/etc/systemd/system/README.md
@@ -3,6 +3,10 @@ subdirectories. The sudirectories won't exist in the real
 `/etc/systemd/system` unless they end `.wants` or something similar
 and I forget to update this README file if that happens.
 
+* reflector.service is copied from https://wiki.archlinux.org/index.php/Reflector
+  but uses https instead of http, because there is no reason I would want
+  someone to see what I download.
+
 ## Worth reading
 
 * Waiting for network devices to have IP address (**I only use this for
diff --git a/etc/systemd/system/reflector.service b/etc/systemd/system/reflector.service
new file mode 100644
index 00000000..f29e6d7c
--- /dev/null
+++ b/etc/systemd/system/reflector.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Pacman mirrorlist update
+Requires=network-online.target
+After=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/reflector --protocol https --latest 30 --number 20 --sort rate --save /etc/pacman.d/mirrorlist
+
+[Install]
+RequiredBy=multi-user.target