diff --git a/js/contribution-entityref-field.js b/js/contribution-entityref-field.js
index 8d0922353..11731408e 100644
--- a/js/contribution-entityref-field.js
+++ b/js/contribution-entityref-field.js
@@ -11,7 +11,7 @@
     const entityRefCustomFields = Object.values(CRM.vars.civicase.entityRefCustomFields ?? {});
 
     /* eslint-disable no-undef */
-    waitForElement($, '#customData', function ($, elem) {
+    waitForElement($, '#customData_Contribution', function ($, elem) {
       entityRefCustomFields.forEach(field => {
         $(`[name^=${field.name}_]`)
           .attr('placeholder', field.placeholder)