diff --git a/allianceauth/services/modules/mumble/templates/services/mumble/mumble_connection_history.html b/allianceauth/services/modules/mumble/templates/services/mumble/mumble_connection_history.html
index 1bfbab94..bb651791 100644
--- a/allianceauth/services/modules/mumble/templates/services/mumble/mumble_connection_history.html
+++ b/allianceauth/services/modules/mumble/templates/services/mumble/mumble_connection_history.html
@@ -105,29 +105,35 @@
                     { data: 'version' },
                     {
                         data: 'last_connect',
-                        render: (data) => {
-                            if (data === null) {
-                                return '';
+                        render: {
+                            _: (data) => {
+                                return data === null
+                                    ? ''
+                                    : moment(data)
+                                        .locale('{{ MOMENTJS_LCODE }}')
+                                        .utc()
+                                        .format(MUMBLESTATS_DATETIME_FORMAT);
+                            },
+                            sort: (data) => {
+                                return data === null ? '' : data;
                             }
-
-                            return moment(data)
-                                .locale('{{ MOMENTJS_LCODE }}')
-                                .utc()
-                                .format(MUMBLESTATS_DATETIME_FORMAT);
                         },
                         className: 'text-end',
                     },
                     {
                         data: 'last_disconnect',
-                        render: (data) => {
-                            if (data === null) {
-                                return '';
+                        render: {
+                            _: (data) => {
+                                return data === null
+                                    ? ''
+                                    : moment(data)
+                                        .locale('{{ MOMENTJS_LCODE }}')
+                                        .utc()
+                                        .format(MUMBLESTATS_DATETIME_FORMAT);
+                            },
+                            sort: (data) => {
+                                return data === null ? '' : data;
                             }
-
-                            return moment(data)
-                                .locale('{{ MOMENTJS_LCODE }}')
-                                .utc()
-                                .format(MUMBLESTATS_DATETIME_FORMAT);
                         },
                         className: 'text-end',
                     },