diff --git a/frontend/src/History/HistoryOptions.js b/frontend/src/History/HistoryOptions.js
index da1888d40..228e13678 100644
--- a/frontend/src/History/HistoryOptions.js
+++ b/frontend/src/History/HistoryOptions.js
@@ -73,7 +73,7 @@ class HistoryOptions extends Component {
 }
 
 HistoryOptions.propTypes = {
-  historyCleanupDays: PropTypes.bool.isRequired,
+  historyCleanupDays: PropTypes.number.isRequired,
   dispatchSaveGeneralSettings: PropTypes.func.isRequired
 };