diff --git a/footer.php b/footer.php
index dbc6af7..a70831e 100644
--- a/footer.php
+++ b/footer.php
@@ -22,7 +22,7 @@
     <script src="https://polyfill.io/v2/polyfill.min.js?features=IntersectionObserver"></script>
     <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lozad/dist/lozad.min.js"></script>
     <script type="text/javascript">
-        const observer = lozad();
+        var observer = lozad();
         observer.observe();
     </script>