diff --git a/output/main.js b/output/main.js
index 0bc0bdb..567097e 100644
--- a/output/main.js
+++ b/output/main.js
@@ -51,11 +51,11 @@ const filteredCommunities = {
 // This can be achieved with `text-overflow: ellipsis` instead
 // and generated entirely server-side.
 const transformJoinURL = (join_link) => {
-  return element.button({
-    textContent: "Copy",
-    className: "copy_button",
-    onclick: () => copyToClipboard(join_link)
-  });
+	return element.button({
+		textContent: "Copy",
+		className: "copy_button",
+		onclick: () => copyToClipboard(join_link)
+	});
 }
 
 function onLoad(timestamp) {
@@ -77,8 +77,8 @@ function hideQRModal(communityID) {
 function createJoinLinkButtons() {
 	const join_URLs = dom.join_urls();
 	Array.from(join_URLs).forEach((td_url) => {
-		const a_href = td_url.querySelector('a'); // get first (only) <a> element
-		const join_link = a_href.getAttribute("href"); // get link
+		// Data attributes are more idiomatic and harder to change by accident in the DOM.
+		const join_link = td_url.getAttribute('data-url');
 		td_url.append(transformJoinURL(join_link)); // add interactive content
 	});
 }
@@ -101,7 +101,7 @@ function hideBadCommunities() {
  * Removes an element by its ID and returns the number of elements removed.
  */
 function hideElementByID(id) {
-  const element = document.getElementById(id);
+	const element = document.getElementById(id);
 	element?.remove();
 	return element ? 1 : 0;
 }
@@ -289,3 +289,4 @@ Object.assign(window, {
 	onLoad, sortTable, displayQRModal,
 	hideQRModal, copyToClipboard
 });
+
diff --git a/sites/+components/tbl_communities.php b/sites/+components/tbl_communities.php
index 9292b15..dbb5325 100644
--- a/sites/+components/tbl_communities.php
+++ b/sites/+components/tbl_communities.php
@@ -61,7 +61,7 @@
 			>
 		</td>
 		<td class="td_join_url">
-			<div class="join_url_container">
+			<div class="join_url_container" data-url="<?=$room->join_link?>">
 				<a class="join_url show-from-w5" title="<?=$room->join_link?>"
 					><?=truncate($room->join_link, 32)?></a>
 				<a class="noscript" href="<?=$room->join_link?>"