diff --git a/src/components/Header.tsx b/src/components/Header.tsx
index 78f668f..2c4f753 100644
--- a/src/components/Header.tsx
+++ b/src/components/Header.tsx
@@ -104,7 +104,7 @@ const Header = ({ buttonPrevIcon, buttonNextIcon }: HeaderProps) => {
         <View style={[styles.textContainer, theme?.headerTextContainerStyle]}>
           <Text style={[styles.text, theme?.headerTextStyle]}>
             {calendarView === 'year'
-              ? `${years.at(0)} - ${years.at(-1)}`
+              ? `${years[0]} - ${years[years.length-1]}`
               : dayjs(currentDate).format('YYYY')}
           </Text>
         </View>