diff --git a/src/web/app/boot.js b/src/web/app/boot.js
index 28540e4b6..ac6c18d64 100644
--- a/src/web/app/boot.js
+++ b/src/web/app/boot.js
@@ -45,13 +45,12 @@
 	if (isMobile) {
 		const meta = document.createElement('meta');
 		meta.setAttribute('name', 'viewport');
-		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(','));
+		meta.setAttribute('content',
+			'width=device-width,' +
+			'initial-scale=1,' +
+			'minimum-scale=1,' +
+			'maximum-scale=1,' +
+			'user-scalable=no');
 		head.appendChild(meta);
 	}