diff --git a/core/js/js.js b/core/js/js.js
index 132edaf3ead3eae2f7734d9ec541e78c1d84c593..bcf9aeb9d420e91da47ceb526f4a78b6343a826b 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -1841,7 +1841,7 @@ OC.Util.History = {
 			// https://bugzilla.mozilla.org/show_bug.cgi?id=652991
 			var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
 			if (isFirefox && parseInt(navigator.userAgent.split('/').pop()) < 51) {
-				var patterns = document.querySelectorAll(selector || '[fill^="url(#"], [stroke^="url(#"]');
+				var patterns = document.querySelectorAll('[fill^="url(#"], [stroke^="url(#"]');
 				for (var i = 0, ii = patterns.length, pattern; i < ii; i++) {
 					pattern = patterns[i];
 					pattern.style.fill = pattern.style.fill;