diff --git a/release/new_cyber_chef.pl b/release/new_cyber_chef.pl
index 3fcbf4a1fd..7a97778a3e 100755
--- a/release/new_cyber_chef.pl
+++ b/release/new_cyber_chef.pl
@@ -46,17 +46,23 @@
         }
       })
       .then((result) => {
+        data = result.data;
+      })
+      .catch((error) => {
+        console.log('error', error);
+      }).finally(() => {
         interval = setInterval(() => {
           if (typeof app !== 'undefined') {
             // THIS IS A HACK TO GET AROUND A CYBERCHEF BUG
             // https://github.com/gchq/CyberChef/issues/1468
             // https://github.com/gchq/CyberChef/pull/1549
+            // replaces the addOperation function
             app.manager.recipe.addOperation = (name) => {
               const item = document.createElement('li');
 
               item.classList.add('operation');
 
-              if (app.operations[name] != null) {
+              if (app.operations[name] != null) { // THIS is the fix
                 item.innerHTML = name;
               }
 
@@ -68,14 +74,14 @@
               return item;
             };
 
-            app.manager.recipe.addOperation('From Hex');
-            app.setInput(result.data);
+            if (data) {
+              app.manager.recipe.addOperation('From Hex');
+              app.setInput(data);
+            }
+
             clearInterval(interval);
           }
         }, 100);
-      })
-      .catch((error) => {
-        console.log('error', error);
       });
 
     setTimeout(() => {