diff --git a/view/js/main.js b/view/js/main.js
index cd09de0143..a2e2698a82 100644
--- a/view/js/main.js
+++ b/view/js/main.js
@@ -1,4 +1,21 @@
 // @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPLv3-or-later
+
+// https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill
+if (!Element.prototype.matches) {
+	Element.prototype.matches =
+		Element.prototype.matchesSelector ||
+		Element.prototype.mozMatchesSelector ||
+		Element.prototype.msMatchesSelector ||
+		Element.prototype.oMatchesSelector ||
+		Element.prototype.webkitMatchesSelector ||
+		function(s) {
+			var matches = (this.document || this.ownerDocument).querySelectorAll(s),
+				i = matches.length;
+			while (--i >= 0 && matches.item(i) !== this) {}
+			return i > -1;
+		};
+}
+
 function resizeIframe(obj) {
 	_resizeIframe(obj, 0);
 }