diff --git a/src/Date/Calendar.tsx b/src/Date/Calendar.tsx
index f178a5f6..a07b5874 100644
--- a/src/Date/Calendar.tsx
+++ b/src/Date/Calendar.tsx
@@ -210,8 +210,8 @@ function Calendar(
           selectedYear={selectedYear}
           selectingYear={selectingYear}
           onPressYear={onPressYear}
-          startYear={startYear ?? 1800}
-          endYear={endYear ?? 2200}
+          startYear={startYear || 1800}
+          endYear={endYear || 2200}
         />
       ) : null}
     </View>