diff --git a/src/servala/static/js/fqdn.js b/src/servala/static/js/fqdn.js
index 178c586..ec70dad 100644
--- a/src/servala/static/js/fqdn.js
+++ b/src/servala/static/js/fqdn.js
@@ -1,7 +1,9 @@
 
 const initializeFqdnGeneration = (prefix) => {
     const nameField = document.querySelector(`input#id_${prefix}-name`);
-    const fqdnField = document.getElementById(`${prefix}-spec.parameters.service.fqdn_container`).querySelector('input.array-item-input');
+    const fqdnFieldContainer = document.getElementById(`${prefix}-spec.parameters.service.fqdn_container`)
+    if (!nameField || !fqdnFieldContainer) return
+    const fqdnField = fqdnFieldContainer.querySelector('input.array-item-input');
 
     if (nameField && fqdnField) {
         const generateFqdn = (instanceName) => {