diff --git a/src/document.js b/src/document.js
index b55894d8e..e8d275927 100644
--- a/src/document.js
+++ b/src/document.js
@@ -24,7 +24,7 @@ let checkingProxyStatus = false
 
 const checkProxyStatus = () => {
 	checkingProxyStatus = true
-	const url = Config.get('urlsrc').substr(0, Config.get('urlsrc').indexOf('proxy.php') + 'proxy.php'.length)
+	const url = Config.get('urlsrc').slice(0, Config.get('urlsrc').indexOf('proxy.php') + 'proxy.php'.length)
 	$.get(url + '?status').done(function(val) {
 		if (val && val.status && val.status !== 'OK') {
 			if (val.status === 'starting' || val.status === 'stopped') {
diff --git a/src/view/Office.vue b/src/view/Office.vue
index d4a5350bf..e80f179e5 100644
--- a/src/view/Office.vue
+++ b/src/view/Office.vue
@@ -81,7 +81,7 @@ export default {
 		},
 		viewColor() {
 			return view => ({
-				'border-color': '#' + ('000000' + Number(view.Color).toString(16)).substr(-6),
+				'border-color': '#' + ('000000' + Number(view.Color).toString(16)).slice(-6),
 				'border-width': '2px',
 				'border-style': 'solid',
 			})