diff --git a/src/components/ParentNavigationSubtitle.js b/src/components/ParentNavigationSubtitle.js
index 6856dbffaa33..fd388b00a8a7 100644
--- a/src/components/ParentNavigationSubtitle.js
+++ b/src/components/ParentNavigationSubtitle.js
@@ -18,7 +18,7 @@ const propTypes = {
     }).isRequired,
 
     /** parent Report ID */
-    parentReportID: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+    parentReportID: PropTypes.string,
 
     /** PressableWithoutFeedack additional styles */
     // eslint-disable-next-line react/forbid-prop-types