diff --git a/app/helpers/numeric_questions_helper.rb b/app/helpers/numeric_questions_helper.rb
index 0a8889d04..464f42723 100644
--- a/app/helpers/numeric_questions_helper.rb
+++ b/app/helpers/numeric_questions_helper.rb
@@ -5,7 +5,7 @@ module NumericQuestionsHelper
     {
       "data-controller": "numeric-question",
       "data-action": "numeric-question#calculateFields",
-      "data-affected": "#{question['result-field'].to_s.dasherize}-field",
+      "data-target": "#{question['result-field'].to_s.dasherize}-field",
       "data-calculated": question["fields-to-add"].to_json,
     }
   end
diff --git a/app/javascript/controllers/numeric_question_controller.js b/app/javascript/controllers/numeric_question_controller.js
index 479aa5e32..6a0a58d78 100644
--- a/app/javascript/controllers/numeric_question_controller.js
+++ b/app/javascript/controllers/numeric_question_controller.js
@@ -2,7 +2,7 @@ import { Controller } from "@hotwired/stimulus"
 
 export default class extends Controller {
   calculateFields() {
-    const affectedField = this.element.dataset.affected;
+    const affectedField = this.element.dataset.target;
     const fieldsToAdd = JSON.parse(this.element.dataset.calculated).map(x => `${x.replaceAll("_","-")}-field`);
     const valuesToAdd = fieldsToAdd.map(x => document.getElementById(x).value).filter(x => x);
     const newValue =  valuesToAdd.map(x => parseInt(x)).reduce((a, b) => a + b, 0);
diff --git a/spec/helpers/numeric_questions_helper_spec.rb b/spec/helpers/numeric_questions_helper_spec.rb
index 0d5436983..48877babe 100644
--- a/spec/helpers/numeric_questions_helper_spec.rb
+++ b/spec/helpers/numeric_questions_helper_spec.rb
@@ -13,7 +13,7 @@ RSpec.describe NumericQuestionsHelper do
       expect(numeric_question_html_attributes(questions["basic_rent"])).to eq({
         "data-controller": "numeric-question",
         "data-action": "numeric-question#calculateFields",
-        "data-affected": "#{questions['basic_rent']['result-field'].to_s.dasherize}-field",
+        "data-target": "#{questions['basic_rent']['result-field'].to_s.dasherize}-field",
         "data-calculated": questions["basic_rent"]["fields-to-add"].to_json,
       })
     end