diff --git a/maintainers/flake-module.nix b/maintainers/flake-module.nix
index 9c4a8842f..b4b7cd51d 100644
--- a/maintainers/flake-module.nix
+++ b/maintainers/flake-module.nix
@@ -106,7 +106,6 @@
             enable = true;
             excludes = [
               # We haven't linted these files yet
-              ''^scripts/install-systemd-multi-user\.sh$''
               ''^tests/functional/db-migration\.sh$''
               ''^tests/functional/dump-db\.sh$''
               ''^tests/functional/dyn-drv/eval-outputOf\.sh$''
diff --git a/scripts/install-systemd-multi-user.sh b/scripts/install-systemd-multi-user.sh
index dc373f4db..8abbb7af4 100755
--- a/scripts/install-systemd-multi-user.sh
+++ b/scripts/install-systemd-multi-user.sh
@@ -39,7 +39,7 @@ create_systemd_proxy_env() {
     vars="http_proxy https_proxy ftp_proxy all_proxy no_proxy HTTP_PROXY HTTPS_PROXY FTP_PROXY ALL_PROXY NO_PROXY"
     for v in $vars; do
         if [ "x${!v:-}" != "x" ]; then
-            echo "Environment=${v}=$(escape_systemd_env ${!v})"
+            echo "Environment=${v}=$(escape_systemd_env "${!v}")"
         fi
     done
 }