diff --git a/src/web/app/desktop/views/components/ui.header.vue b/src/web/app/desktop/views/components/ui.header.vue
index c83eb925b..0ce8459c7 100644
--- a/src/web/app/desktop/views/components/ui.header.vue
+++ b/src/web/app/desktop/views/components/ui.header.vue
@@ -46,6 +46,7 @@ export default Vue.extend({
 		if ((this as any).os.isSignedIn) {
 			const ago = (new Date().getTime() - new Date((this as any).os.i.last_used_at).getTime()) / 1000
 			const isHisasiburi = ago >= 3600;
+			(this as any).os.i.last_used_at = new Date();
 			if (isHisasiburi) {
 				(this.$refs.welcomeback as any).style.display = 'block';
 				(this.$refs.main as any).style.overflow = 'hidden';