diff --git a/client/js/common/format.js b/client/js/common/format.js
index 80544e2c..dc4fe828 100644
--- a/client/js/common/format.js
+++ b/client/js/common/format.js
@@ -17,6 +17,10 @@ format.camelToWords = function(str, os) {
 
 format.dollarsToCents = function(dollars) {
 	dollars = dollars.toString().replace(/[$,]/g, '')
+    if(!isNaN(dollars) && dollars.match(/^-?\d+\.\d$/)) {
+        // could we use toFixed instead? Probably but this is straightforward.
+        dollars = dollars + "0"
+    }
 	if(isNaN(dollars) || !dollars.match(/^-?\d+(\.\d\d)?$/)) throw "Invalid dollar amount: " + dollars
   return Math.round(Number(dollars) * 100)
 }
diff --git a/client/js/nonprofits/donate/amount-step.js b/client/js/nonprofits/donate/amount-step.js
index a5f42a45..26d0d2d9 100644
--- a/client/js/nonprofits/donate/amount-step.js
+++ b/client/js/nonprofits/donate/amount-step.js
@@ -187,7 +187,7 @@ function showSingleAmount(isRecurring, state) {
   var desig = state.params$().designation
   return h('section.u-centered', [
     h('p.singleAmount-message', [
-      h('strong', app.currency_symbol + state.params$().single_amount)
+      h('strong', app.currency_symbol + format.centsToDollars(format.dollarsToCents(state.params$().single_amount)))
     , h('span.u-padding--0', { class: {'u-hide': !isRecurring} }, ' monthly')
     , h('span', {class: {'u-hide': !state.params$().designation && !gift.id}}, [ ' for ' + (desig || gift.name) ])
     ])