diff --git a/src/web/app/common/scripts/i.js b/src/web/app/common/scripts/i.js
index 66ce37d50..20c33c640 100644
--- a/src/web/app/common/scripts/i.js
+++ b/src/web/app/common/scripts/i.js
@@ -2,7 +2,7 @@ const riot = require('riot');
 
 module.exports = me => {
 	riot.mixin('i', {
-		init: () => {
+		init: function() {
 			this.I = me;
 			this.SIGNIN = me != null;
 
diff --git a/src/web/app/desktop/scripts/user-preview.js b/src/web/app/desktop/scripts/user-preview.js
index 8351f0e75..1964384fd 100644
--- a/src/web/app/desktop/scripts/user-preview.js
+++ b/src/web/app/desktop/scripts/user-preview.js
@@ -1,7 +1,7 @@
 const riot = require('riot');
 
 riot.mixin('user-preview', {
-	init: () => {
+	init: function() {
 		const scan = () => {
 			this.root.querySelectorAll('[data-user-preview]:not([data-user-preview-attached])')
 				.forEach(attach.bind(this));