diff --git a/src/servala/static/js/fqdn.js b/src/servala/static/js/fqdn.js
index 43805bf..68af76c 100644
--- a/src/servala/static/js/fqdn.js
+++ b/src/servala/static/js/fqdn.js
@@ -1,6 +1,6 @@
 
 const initializeFqdnGeneration = (prefix) => {
-    const nameField = document.querySelector(`input#id_${prefix}-name`);
+    const nameField = document.querySelector(`input#id_${prefix}-display_name`);
     if (!nameField) return
 
     // Try to find array input first (DynamicArrayWidget), then fallback to regular text input