diff --git a/static/js/stripe.js b/static/js/stripe.js
index b91a6d2..61b54c8 100644
--- a/static/js/stripe.js
+++ b/static/js/stripe.js
@@ -1,28 +1,29 @@
 window.payment_amount = null;
 
 $.extend({
-  redirectPost: function(location, args) {
-    var form = $('<form></form>');
-    form.attr("method", "post");
-    form.attr("action", location);
+	redirectPost: function (location, args) {
+		var form = $('<form></form>');
+		form.attr("method", "post");
+		form.attr("action", location);
 
-    $.each( args, function( key, value ) {
-      var field = $('<input></input>');
-      field.attr("type", "hidden");
-      field.attr("name", key);
-      field.attr("value", value);
-      form.append(field);
-    });
-    
-    $(form).appendTo('body').submit();
-  }
+		$.each(args, function (key, value) {
+			var field = $('<input></input>');
+			field.attr("type", "hidden");
+			field.attr("name", key);
+			field.attr("value", value);
+			form.append(field);
+		});
+
+		$(form).appendTo('body').submit();
+	}
 });
 
-$(document).ready(function(){
-  $('.donateButton, .donateButtonCustom').click(function(e) {
-    e.preventDefault();
-    var donorAmount = $(this).attr('data-amount') || $('input[name="donation-amount"]').val() * 100;
-    payment_amount = donorAmount;
-    $.redirectPost("/payment.php", {amount: payment_amount});
-  });
+$(document).ready(function () {
+	$('.donateButton, .donateButtonCustom').click(function (e) {
+		e.preventDefault();
+		var donorAmount = $(this).attr('data-amount') || $('input[name="donation-amount"]').val() * 100;
+		donorAmount.required = true;
+		payment_amount = donorAmount;
+		$.redirectPost("/payment.php", { amount: payment_amount });
+	});
 });