diff --git a/assets/himalaya-watch@.service b/assets/himalaya-watch@.service
new file mode 100644
index 0000000..dd7e88e
--- /dev/null
+++ b/assets/himalaya-watch@.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Email client Himalaya CLI envelopes watcher service
+After=network.target
+
+[Service]
+Type=exec
+ExecStart=%install_dir%/himalaya envelopes watch --account %i
+ExecSearchPath=/bin
+Restart=always
+RestartSec=10
+
+[Install]
+WantedBy=default.target
diff --git a/install.sh b/install.sh
index d6e72e5..57a4240 100644
--- a/install.sh
+++ b/install.sh
@@ -32,4 +32,11 @@ tar -xzf "$tmpdir/himalaya.tar.gz" -C "$tmpdir"
 mkdir -p "$PREFIX/bin"
 cp -f -- "$tmpdir/$binary" "$PREFIX/bin/$binary"
 
+# See User Unit Search Path in `man systemd.unit(5)`
+if [ "$system" = "linux" ] && [ "$PREFIX" = "/usr" ]; then
+  mkdir -p "$PREFIX/lib/systemd/user"
+  sed "s:%install_dir%:$PREFIX/bin:" "$tmpdir/assets/himalaya-watch@.service" \
+       > "$PREFIX/lib/systemd/user/himalaya-watch@.service"
+fi
+
 die "$("$PREFIX/bin/$binary" --version) installed!" 0