diff --git a/src/renderer/screens/MainScreen.vue b/src/renderer/screens/MainScreen.vue
index 35f6e22..a4802a0 100644
--- a/src/renderer/screens/MainScreen.vue
+++ b/src/renderer/screens/MainScreen.vue
@@ -12,7 +12,7 @@ const { counter } = storeToRefs(useTempStore())
 const theme = useTheme()
 const languages = ref(['en'])
 
-onMounted(() => {
+onMounted((): void => {
   languages.value = availableLocales
 })