diff --git a/src/app/browse-by/browse-by-date-page/browse-by-date-page.component.ts b/src/app/browse-by/browse-by-date-page/browse-by-date-page.component.ts
index 1bdbb91a8b..4b445dedb7 100644
--- a/src/app/browse-by/browse-by-date-page/browse-by-date-page.component.ts
+++ b/src/app/browse-by/browse-by-date-page/browse-by-date-page.component.ts
@@ -88,7 +88,7 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
           if (hasValue(date)) {
             const dateObj = new Date(date);
             // TODO: it appears that getFullYear (based on local time) is sometimes unreliable. Switching to UTC.
-            lowerLimit = dateObj.getUTCFullYear();
+            lowerLimit = isNaN(dateObj.getUTCFullYear()) ? lowerLimit : dateObj.getUTCFullYear();
           }
         }
         const options = [];