diff '--exclude=.git' --new-file --text --unified --recursive a/js/bu.js b/js/bu.js
--- a/js/bu.js	2021-03-13 13:04:46.533210581 -0600
+++ b/js/bu.js	2021-03-13 13:03:47.398789814 -0600
@@ -4,32 +4,35 @@
   Drupal.behaviors.bu = {
     attach: function attach(context, settings) {
       if (context == document) {
-        window.$buoop = {
-          notify: {
-            i: settings.bu.notify_ie,
-            f: settings.bu.notify_firefox,
-            o: settings.bu.notify_opera,
-            s: settings.bu.notify_safari,
-            c: settings.bu.notify_chrome,
-          },
-          insecure: settings.bu.insecure,
-          unsupported: settings.bu.unsupported,
-          mobile: settings.bu.mobile,
-          style: settings.bu.position,
-          text: settings.bu.text_override,
-          reminder: settings.bu.reminder,
-          reminderClosed: settings.bu.reminder_closed,
-          test: settings.bu.test_mode,
-          newwindow: settings.bu.new_window,
-          url: settings.bu.url,
-          noclose: settings.bu.no_close,
-          jsshowurl: settings.bu.show_source,
-          api: 5
-        };
-        var e = document.createElement("script");
-        e.setAttribute("type", "text/javascript");
-        e.src = settings.bu.source;
-        document.body.appendChild(e);
+        if(typeof settings.bu.hooked === 'undefined'){
+          window.$buoop = {
+            notify: {
+              i: settings.bu.notify_ie,
+              f: settings.bu.notify_firefox,
+              o: settings.bu.notify_opera,
+              s: settings.bu.notify_safari,
+              c: settings.bu.notify_chrome,
+            },
+            insecure: settings.bu.insecure,
+            unsupported: settings.bu.unsupported,
+            mobile: settings.bu.mobile,
+            style: settings.bu.position,
+            text: settings.bu.text_override,
+            reminder: settings.bu.reminder,
+            reminderClosed: settings.bu.reminder_closed,
+            test: settings.bu.test_mode,
+            newwindow: settings.bu.new_window,
+            url: settings.bu.url,
+            noclose: settings.bu.no_close,
+            jsshowurl: settings.bu.show_source,
+            api: 5
+          };
+          var e = document.createElement("script");
+          e.setAttribute("type", "text/javascript");
+          e.src = settings.bu.source;
+          document.body.appendChild(e);
+          settings.bu.hooked = true;
+        }
       }
     }
   };