diff --git a/app/assets/javascripts/sitewide/marvinjs_editor.js b/app/assets/javascripts/sitewide/marvinjs_editor.js
index c760546b5..5b6e3e2ac 100644
--- a/app/assets/javascripts/sitewide/marvinjs_editor.js
+++ b/app/assets/javascripts/sitewide/marvinjs_editor.js
@@ -320,9 +320,7 @@ $(document).on('click', '.gene-sequence-edit-button', function() {
 });
 
 function initMarvinJs() {
-  if (!window.MarvinJsEditor) {
-    MarvinJsEditor = MarvinJsEditorApi();
-  }
+  MarvinJsEditor = MarvinJsEditorApi();
 
   if (MarvinJsEditor.enabled()) {
     if (typeof (ChemicalizeMarvinJs) === 'undefined') {