diff --git a/src/index.jsx b/src/index.jsx
index b4059d369f..f289c5352d 100644
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -697,7 +697,7 @@ export default class DatePicker extends React.Component {
         if (noRanges) {
           onChange([changedDate, null], event);
         } else if (hasStartRange) {
-          if (isDateBefore(changedDate, startDate)) {
+          if (changedDate === null || isDateBefore(changedDate, startDate)) {
             onChange([changedDate, null], event);
           } else {
             onChange([startDate, changedDate], event);