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 024133fe..8ba78bbe 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
@@ -105,6 +105,10 @@
                     {
                         data: 'last_connect',
                         render: (data) => {
+                            if (data === null) {
+                                return '';
+                            }
+
                             return moment(data).utc().format(MUMBLESTATS_DATETIME_FORMAT);
                         },
                         className: 'text-end',
@@ -112,6 +116,10 @@
                     {
                         data: 'last_disconnect',
                         render: (data) => {
+                            if (data === null) {
+                                return '';
+                            }
+
                             return moment(data).utc().format(MUMBLESTATS_DATETIME_FORMAT);
                         },
                         className: 'text-end',