diff --git a/apps/files_external/js/settings.js b/apps/files_external/js/settings.js
index e5cb373a5b..348fecf064 100644
--- a/apps/files_external/js/settings.js
+++ b/apps/files_external/js/settings.js
@@ -312,7 +312,7 @@ $(document).ready(function() {
 			OC.AppConfig.setValue('files_external', 'allow_user_mounting', 'yes');
 			$('input[name="allowUserMountingBackends\\[\\]"]').prop('checked', true);
 			$('#userMountingBackends').removeClass('hidden');
-			$($('input[name="allowUserMountingBackends\\[\\]"]')[0]).trigger('change');
+			$('input[name="allowUserMountingBackends\\[\\]"]').eq(0).trigger('change');
 		} else {
 			OC.AppConfig.setValue('files_external', 'allow_user_mounting', 'no');
 			$('#userMountingBackends').addClass('hidden');
@@ -322,12 +322,12 @@ $(document).ready(function() {
 
 	$('input[name="allowUserMountingBackends\\[\\]"]').bind('change', function() {
 		OC.msg.startSaving('#userMountingMsg');
-		var user_mounting_backends = $('input[name="allowUserMountingBackends\\[\\]"]:checked').map(function(){return $(this).val();}).get();
-		OC.AppConfig.setValue('files_external', 'user_mounting_backends', user_mounting_backends.join());
+		var userMountingBackends = $('input[name="allowUserMountingBackends\\[\\]"]:checked').map(function(){return $(this).val();}).get();
+		OC.AppConfig.setValue('files_external', 'user_mounting_backends', userMountingBackends.join());
 		OC.msg.finishedSaving('#userMountingMsg', {status: 'success', data: {message: t('settings', 'Saved')}});
 
 		// disable allowUserMounting
-		if(user_mounting_backends.length === 0) {
+		if(userMountingBackends.length === 0) {
 			$('#allowUserMounting').prop('checked', false);
 			$('#allowUserMounting').trigger('change');