diff --git a/dist/arch/PKGBUILD b/dist/arch/PKGBUILD
index a84bdf6..10d61ff 100644
--- a/dist/arch/PKGBUILD
+++ b/dist/arch/PKGBUILD
@@ -16,7 +16,9 @@ optdepends=("nginx: HTTP server"
             "postgresql>=10: Alternate database"
             "php-pgsql-interpreter>=7.3: PostgreSQL database support")
 backup=("etc/webapps/arsse/config.php"
+        "etc/webapps/arsse/systemd-environment"
         "etc/php/php-fpm.d/arsse.conf"
+        "etc/php-legacy/php-fpm.d/arsse.conf"
         "etc/webapps/arsse/nginx/example.conf"
         "etc/webapps/arsse/nginx/arsse.conf"
         "etc/webapps/arsse/nginx/arsse-loc.conf"
diff --git a/robo b/robo
index 223ad9f..6cc8c07 100755
--- a/robo
+++ b/robo
@@ -1,14 +1,17 @@
 #! /bin/sh
 base=`dirname "$0"`
-roboCommand="$1"
+command="$1"
+robo="$base/vendor-bin/robo/vendor/bin/robo"
+if [ -z "$ARSSE_PHP" ]; then
+    php="php"
+else
+    php="$ARSSE_PHP"
+fi
+
 if [ $# -eq 0 ]; then
-    "$base/vendor-bin/robo/vendor/bin/robo"
+    "$php" "$robo"
 else
     shift
     ulimit -n 2048
-    if [ "$1" = "clean" ]; then
-        "$base/vendor-bin/robo/vendor/bin/robo" "$roboCommand" "$@"
-    else
-        "$base/vendor-bin/robo/vendor/bin/robo" "$roboCommand" -- "$@"
-    fi
+    "$php" "$robo" "$command" -- "$@"
 fi