diff --git a/public/viewjs/purchase.js b/public/viewjs/purchase.js
index 521df441..53d99a30 100644
--- a/public/viewjs/purchase.js
+++ b/public/viewjs/purchase.js
@@ -402,7 +402,7 @@ if (Grocy.Components.DateTimePicker2)
 	Grocy.Components.DateTimePicker2.GetInputElement().trigger("input");
 }
 
-$('#price').on('change', function(e)
+$('#price').on('keyup', function(e)
 {
 	refreshPriceHint();
 });
@@ -431,12 +431,15 @@ function refreshPriceHint()
 		return;
 	}
 
-	if ($("input[name='price-type']:checked").val() == "total-price")
+	if ($("input[name='price-type']:checked").val() == "total-price" || $("#qu_id").attr("data-destination-qu-name") != $("#qu_id option:selected").text())
 	{
 		var price = parseFloat($('#price').val() * $("#qu_id option:selected").attr("data-qu-factor")).toFixed(Grocy.UserSettings.stock_decimal_places_prices);
-		price = parseFloat(price / $('#display_amount').val()).toFixed(Grocy.UserSettings.stock_decimal_places_prices);
+		if ($("input[name='price-type']:checked").val() == "total-price")
+		{
+			price = parseFloat(price / $('#display_amount').val()).toFixed(Grocy.UserSettings.stock_decimal_places_prices);
+		}
 
-		$('#price-hint').text(__t('means %1$s per %2$s', price.toLocaleString({ minimumFractionDigits: 2, maximumFractionDigits: Grocy.UserSettings.stock_decimal_places_prices }), $("#qu_id").attr("data-destination-qu-name")));
+		$('#price-hint').text(__t('means %1$s per %2$s', price.toLocaleString(undefined, { style: "currency", currency: Grocy.Currency, minimumFractionDigits: 2, maximumFractionDigits: Grocy.UserSettings.stock_decimal_places_prices }), $("#qu_id").attr("data-destination-qu-name")));
 	}
 	else
 	{
@@ -522,4 +525,5 @@ $('#qu_id').on('change', function(e)
 	var priceTypeUnitPrice = $("#price-type-unit-price");
 	var priceTypeUnitPriceLabel = $("[for=" + priceTypeUnitPrice.attr("id") + "]");
 	priceTypeUnitPriceLabel.text($("#qu_id option:selected").text() + " " + __t("price"));
+	refreshPriceHint();
 });