diff --git a/app/assets/javascripts/article-form.js b/app/assets/javascripts/article-form.js
index a75ddf2b..76d5b37b 100644
--- a/app/assets/javascripts/article-form.js
+++ b/app/assets/javascripts/article-form.js
@@ -53,7 +53,7 @@ class ArticleForm {
   }
 
   initializePriceDisplay() {
-    mergeJQueryObjects([this.price$, this.priceUnit$]).on('change keyup', () => {
+    mergeJQueryObjects([this.price$, this.priceUnit$, this.tax$, this.deposit$]).on('change keyup', () => {
       const price = parseFloat(this.price$.val());
       const tax = parseFloat(this.tax$.val());
       const deposit = parseFloat(this.deposit$.val());