diff --git a/examples/src/examples/Restricted.js b/examples/src/examples/Restricted.js
index 1c434b8bff..8c5870ff8e 100644
--- a/examples/src/examples/Restricted.js
+++ b/examples/src/examples/Restricted.js
@@ -5,6 +5,7 @@ import '../../../src/style.css';
 
 const start = new Date(2015, 3, 1, 0, 0);
 const end = new Date(2015, 10, 30, 23, 59);
+const sundays = day => day.getDay() === 0;
 
 export default function Restricted() {
   return (
@@ -14,7 +15,7 @@ export default function Restricted() {
       initialMonth={start}
       fromMonth={start}
       toMonth={end}
-      disabledDays={[{ before: start }, { after: end }]}
+      disabledDays={[{ before: start }, { after: end }, sundays]}
       onDayClick={(day, { disabled }) => {
         if (!disabled) {
           console.log(day.toLocaleDateString());