diff --git a/src/SideMenu.vue b/src/SideMenu.vue
index e47df87..b369f87 100644
--- a/src/SideMenu.vue
+++ b/src/SideMenu.vue
@@ -91,13 +91,13 @@ export default {
 
             for (let element of links) {
                 let href = element.getAttribute('href')
-                var parent = element.parentNode
+                let parent = element.parentNode
 
                 if (!parent) {
                     continue
                 }
 
-                var dataId = parent.getAttribute('data-id')
+                let dataId = parent.getAttribute('data-id')
                 dataId = dataId !== null ? dataId : ''
 
                 if (!parent.classList.contains('app-top-side-menu') && !parent.classList.contains('app-hidden') && !menuIsHidden) {