diff --git a/app/assets/javascripts/sitewide/marvinjs_editor.js b/app/assets/javascripts/sitewide/marvinjs_editor.js
index f046a558e..c760546b5 100644
--- a/app/assets/javascripts/sitewide/marvinjs_editor.js
+++ b/app/assets/javascripts/sitewide/marvinjs_editor.js
@@ -320,13 +320,16 @@ $(document).on('click', '.gene-sequence-edit-button', function() {
 });
 
 function initMarvinJs() {
-  if (typeof (ChemicalizeMarvinJs) === 'undefined') {
-    setTimeout(initMarvinJs, 100);
-    return;
+  if (!window.MarvinJsEditor) {
+    MarvinJsEditor = MarvinJsEditorApi();
   }
 
-  MarvinJsEditor = MarvinJsEditorApi();
   if (MarvinJsEditor.enabled()) {
+    if (typeof (ChemicalizeMarvinJs) === 'undefined') {
+      setTimeout(initMarvinJs, 100);
+      return;
+    }
+
     if ($('#marvinjs-editor')[0].dataset.marvinjsMode === 'remote') {
       ChemicalizeMarvinJs.createEditor('#marvinjs-sketch').then(function(marvin) {
         marvin.setDisplaySettings({ toolbars: 'reporting' });