diff --git a/mirror-img.asd b/mirror-img.asd
new file mode 100644
index 0000000..8fae1cb
--- /dev/null
+++ b/mirror-img.asd
@@ -0,0 +1,6 @@
+(defsystem "mirror-img"
+  :version "0.1"
+  :license "GPLv3"
+  :author "Jaidyn Ann <jadedctrl@posteo.at>"
+  :depends-on (lquery dexador split-sequence)
+  :components ((:file "mirror-img")))
diff --git a/mirror-img.lisp b/mirror-img.lisp
index 68e3e7b..d5ac9b8 100644
--- a/mirror-img.lisp
+++ b/mirror-img.lisp
@@ -13,14 +13,19 @@
 ;; You should have received a copy of the GNU General Public License
 ;; along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+(defpackage :mirror-img
+  (:use :cl)
+  (:export :mirror-img))
+
+(in-package :mirror-img)
+
 (defvar *src-tags* '("audio" "embed" "img" "input" "script" "source" "track" "video"))
 (defvar *href-tags* '("link"))
 
-
 
 ;;; Mirror-img
 ;;; ————————————————————————————————————————
-(defun mirror-remote-urls (html-file base-dir &optional (tags '("img")))
+(defun mirror-img (html-file base-dir &optional (tags '("img")))
   "Attempt to mirror all remote HREF/SRC URLs of an HTML file’s tags,
 downloading them to base-dir. The remote URLs will be replaced with the
 local version, where downloading was successful.