diff --git a/manager-dashboard/app/components/DateRangeInput/index.tsx b/manager-dashboard/app/components/DateRangeInput/index.tsx
index f7e12f53..6442fc83 100644
--- a/manager-dashboard/app/components/DateRangeInput/index.tsx
+++ b/manager-dashboard/app/components/DateRangeInput/index.tsx
@@ -39,8 +39,8 @@ function sameMonth(foo: Date, bar: Date) {
 }
 
 export interface Value {
-    startDate: string;
-    endDate: string;
+    startDate?: string;
+    endDate?: string;
 }
 
 interface DateRendererProps extends CalendarDateProps {