diff --git a/static/js/order.js b/static/js/order.js
index d7f0f86..d35a025 100644
--- a/static/js/order.js
+++ b/static/js/order.js
@@ -14,7 +14,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
     // calculate & display sum
 
-    let order_price_per_drink = parseFloat(document.getElementById("pricePerDrink").dataset.drinkPrice);
+    let order_price_per_drink = parseFloat(document.getElementById("pricePerDrink").dataset.drinkPrice.replace(",", "."));
 
     function calculate_and_display_sum() {