diff --git a/app/controllers/discourse_donations/charges_controller.rb b/app/controllers/discourse_donations/charges_controller.rb
index 72be0e0..1e4fb27 100644
--- a/app/controllers/discourse_donations/charges_controller.rb
+++ b/app/controllers/discourse_donations/charges_controller.rb
@@ -36,8 +36,8 @@ module DiscourseDonations
         err = e.json_body[:error]
 
         output['messages'] << "There was an error (#{err[:type]})."
-        #output['messages'] << "Error code: #{err[:code]}" if err[:code]
-        #output['messages'] << "Decline code: #{err[:decline_code]}" if err[:decline_code]
+        output['messages'] << "Error code: #{err[:code]}" if err[:code]
+        output['messages'] << "Decline code: #{err[:decline_code]}" if err[:decline_code]
         output['messages'] << "Message: #{err[:message]}" if err[:message]
 
         render(:json => output) and return
diff --git a/assets/javascripts/lib/discourse-markdown/stripe.js.es6 b/assets/javascripts/lib/discourse-markdown/stripe.js.es6
index 729fe7e..17f6335 100644
--- a/assets/javascripts/lib/discourse-markdown/stripe.js.es6
+++ b/assets/javascripts/lib/discourse-markdown/stripe.js.es6
@@ -33,6 +33,9 @@ function insertCheckout(state, tagInfo, content, siteSettings) {
     let token = state.push('stripe-checkout-form-open', 'form', 1);
     token.attrs = [['method', 'POST'], ['action', '/charges']];
 
+    token = state.push('stripe-checkout-form-amount', 'input', 0);
+    token.attrs = [['type', 'hidden'], ['name', 'amount'], ['value', tagInfo.attrs['amount']]];
+
     token = state.push('stripe-checkout-script-open', 'script', 0);
     token.attrs = [
         ['src', 'https://checkout.stripe.com/checkout.js'],
@@ -67,6 +70,9 @@ export function setup(helper) {
             'div[class]',
             'form[method]',
             'form[action]',
+            'input[type]',
+            'input[name]',
+            'input[value]',
             'script[class]',
             'script[src]',
             'script[data-key]',