diff --git a/css/linkit.css b/css/linkit.css
index 08a8f52a50b47cb01bc0ff21a3eaf0d2a7bd79e3..482c76900e7380dc244d7ebd9ea8c1ccad057791 100644
--- a/css/linkit.css
+++ b/css/linkit.css
@@ -224,5 +224,5 @@
 }
 
 .ui-dialog.ui-front.linkit-wrapper {
-  z-index: 2000;
+  z-index: 210000;
 }
diff --git a/editors/tinymce/editor_plugin.js b/editors/tinymce/editor_plugin.js
index 04a875a8797a081ebf16ba3119c2ac5d2549a3c2..098893d7d9bc45f7c836942b3b27e94d960e558c 100644
--- a/editors/tinymce/editor_plugin.js
+++ b/editors/tinymce/editor_plugin.js
@@ -18,11 +18,20 @@
         // Set the editor object.
         Drupal.settings.linkit.currentInstance.editor = editor;
 
+        // Get the instance id.  Full screen mode is a completly separate
+        // instance of TinyMCE added to the page subsequently by the TinyMCE
+        // external library.  As such this bypasses a lot of built in Drupal
+        // functionality from modules like WYSIWYG and distributions like
+        // Panopoly.
+        // @see https://www.drupal.org/node/1125582
+        var instanceId = editor.id == 'mce_fullscreen' ? editor.getParam('fullscreen_editor_id') : editor.id;
+
         // Find the current input format of the field we're looking at. Note that we get it in the form
         // "format<formatname" instead of just "<formatname>" so we use .substring() to remove the "format".
-        if (Drupal.wysiwyg && Drupal.wysiwyg.instances[editor.id].format) {
-          var format = Drupal.wysiwyg.instances[editor.id].format.substring(6);
-        } else {
+        if (Drupal.wysiwyg && Drupal.wysiwyg.instances[instanceId] && Drupal.wysiwyg.instances[instanceId].format) {
+          var format = Drupal.wysiwyg.instances[instanceId].format.substring(6);
+        }
+        else {
           alert(Drupal.t('Could not find the Linkit profile.'));
           return;
         }