diff --git a/src/web/app/boot.js b/src/web/app/boot.js
index 9905efc940..28540e4b6e 100644
--- a/src/web/app/boot.js
+++ b/src/web/app/boot.js
@@ -45,13 +45,13 @@
 	if (isMobile) {
 		const meta = document.createElement('meta');
 		meta.setAttribute('name', 'viewport');
-		meta.setAttribute('content', [
-			['width', 'device-width'],
-			['initial-scale', '1'],
-			['minimum-scale', '1'],
-			['maximum-scale', '1'],
-			['user-scalable', 'no']
-		].map(x => x.join('=')).join(','));
+		meta.setAttribute('content', Object.entries({
+			'width': 'device-width',
+			'initial-scale': '1',
+			'minimum-scale': '1',
+			'maximum-scale': '1',
+			'user-scalable': 'no'
+		}).map(x => x.join('=')).join(','));
 		head.appendChild(meta);
 	}