diff --git a/mkdocs_glightbox/plugin.py b/mkdocs_glightbox/plugin.py
index 8c36300..48c305a 100644
--- a/mkdocs_glightbox/plugin.py
+++ b/mkdocs_glightbox/plugin.py
@@ -106,7 +106,7 @@ def on_post_page(self, output, page, config, **kwargs):
         ):
             # support compatible with mkdocs-material Instant loading feature
             js_code += "document$.subscribe(() => { lightbox.reload() });\n"
-        output = body_regex.sub(f"<body\\1<script>{js_code}</script></body>", output)
+        output = body_regex.sub(f'<body\\1<script id="init-glightbox">{js_code}</script></body>', output)
 
         return output