diff --git a/app.py b/app.py
index f6f85d1..dc83ae4 100644
--- a/app.py
+++ b/app.py
@@ -505,7 +505,7 @@ class Handler(BaseHTTPRequestHandler):
             f"</form>"
             f"<h2>bookmarklet</h2>"
             f"<p>Drag this link to your bookmarks bar. Click it on any page to index it instantly.</p>"
-            f'<p><a href="javascript:void(fetch(\'http://localhost:5001/bookmark?url=\'+encodeURIComponent(location.href)).then(r=>r.text()).then(t=>alert(t)).catch(()=>alert(\'tinyweb not running\')))">+ save to {esc(name)}</a></p>'
+            f'<p><a href="javascript:void(fetch(\'http://{esc(self.headers.get("Host", "localhost:5001"))}/bookmark?url=\'+encodeURIComponent(location.href)).then(r=>r.text()).then(t=>alert(t)).catch(()=>alert(\'tinyweb not running\')))">+ save to {esc(name)}</a></p>'
             f"<p>{msg}</p>"
             f'<a href="/">back</a>'
         )
@@ -520,5 +520,5 @@ class Handler(BaseHTTPRequestHandler):
 
 if __name__ == "__main__":
     init_db()
-    print("running on http://localhost:5001")
-    HTTPServer(("localhost", 5001), Handler).serve_forever()
+    print("running on http://0.0.0.0:5001")
+    HTTPServer(("0.0.0.0", 5001), Handler).serve_forever()