diff --git a/bundle/src/main/java/com/adobe/acs/commons/wcm/impl/PublishUrlServlet.java b/bundle/src/main/java/com/adobe/acs/commons/wcm/impl/PublishUrlServlet.java
index 7de32a4246..af86a80f56 100644
--- a/bundle/src/main/java/com/adobe/acs/commons/wcm/impl/PublishUrlServlet.java
+++ b/bundle/src/main/java/com/adobe/acs/commons/wcm/impl/PublishUrlServlet.java
@@ -55,14 +55,14 @@
 @SlingServletResourceTypes(
     resourceTypes = PublishUrlServlet.RESOURCE_TYPE,
     methods = HttpConstants.METHOD_GET,
-    extensions = PublishUrlServlet.TXT_EXTENSION
+    extensions = PublishUrlServlet.JSON_EXTENSION
 )
 @Designate(ocd = PublishUrlServlet.PublishUrlServletConfig.class)
 public class PublishUrlServlet extends SlingSafeMethodsServlet implements Serializable {
 
     private static final long serialVersionUID = 1L;
     protected static final String RESOURCE_TYPE = "acs-commons/components/utilities/publish-url";
-    protected static final String TXT_EXTENSION = "txt";
+    protected static final String JSON_EXTENSION = "json";
     private static final String PATH = "path";
     private static final String JSON_TYPE = "application/json";
     private String[] externalizerKeys;
diff --git a/ui.apps/src/main/content/jcr_root/apps/acs-commons/authoring/sites-copy-publishurl/sites-copy-publish-url.js b/ui.apps/src/main/content/jcr_root/apps/acs-commons/authoring/sites-copy-publishurl/sites-copy-publish-url.js
index baeddb0f7c..54ec28bbfe 100644
--- a/ui.apps/src/main/content/jcr_root/apps/acs-commons/authoring/sites-copy-publishurl/sites-copy-publish-url.js
+++ b/ui.apps/src/main/content/jcr_root/apps/acs-commons/authoring/sites-copy-publishurl/sites-copy-publish-url.js
@@ -24,7 +24,7 @@
         var modalBody = $(e.target).find('coral-dialog-content'),
             failureMessage = Granite.I18n.get('An error occurred determining the page\'s publish URLs.'),
             missingConfigMessage = Granite.I18n.get('Missing configs for the Publish URL servlet or Externalizer.'),
-            publishUrl = Granite.HTTP.externalize('/apps/acs-commons/components/utilities/sites-publish-url.txt'),
+            publishUrl = Granite.HTTP.externalize('/apps/acs-commons/components/utilities/sites-publish-url.json'),
             path = $(e.target).data('assetpath');
 
         var result =
@@ -69,14 +69,8 @@
                 button.addEventListener('click', function() {
                     var key = this.getAttribute('data-copy-target');
                     var inputField = this.previousElementSibling;
-                    var textToCopy = inputField.value;
                     inputField.select();
-                    try {
-                        navigator.clipboard.writeText(textToCopy);
-                        console.log("Text copied to clipboard");
-                    } catch (err) {
-                        console.error("Failed to copy: ", err);
-                    }
+                    document.execCommand("copy");
                 });
             });
         });