diff --git a/src/views/domains.js b/src/views/domains.js
index f22beee9a..e8d1ba685 100644
--- a/src/views/domains.js
+++ b/src/views/domains.js
@@ -229,8 +229,8 @@ angular.module('Application').controller('DomainsController', ['$scope', '$locat
                 $scope.domainConfigure.mastodonHostname = '';
 
                 try {
-                    if (domain.wellKnown && domain.wellKnown['matrix']) {
-                        $scope.domainConfigure.matrixHostname = JSON.parse(domain.wellKnown['matrix'])['m.server'];
+                    if (domain.wellKnown && domain.wellKnown['matrix/server']) {
+                        $scope.domainConfigure.matrixHostname = JSON.parse(domain.wellKnown['matrix/server'])['m.server'];
                     }
                     if (domain.wellKnown && domain.wellKnown['host-meta']) {
                         $scope.domainConfigure.mastodonHostname = domain.wellKnown['host-meta'].match(new RegExp('template="https://(.*?)/'))[1];
@@ -317,7 +317,7 @@ angular.module('Application').controller('DomainsController', ['$scope', '$locat
 
             var wellKnown = {};
             if ($scope.domainConfigure.matrixHostname) {
-                wellKnown['matrix'] = JSON.stringify({ 'm.server': $scope.domainConfigure.matrixHostname });
+                wellKnown['matrix/server'] = JSON.stringify({ 'm.server': $scope.domainConfigure.matrixHostname });
             }
             if ($scope.domainConfigure.mastodonHostname) {
                 wellKnown['host-meta'] = '<?xml version="1.0" encoding="UTF-8"?>\n'