diff --git a/lib/view/pages/timetable/appointmentDetails.dart b/lib/view/pages/timetable/appointmentDetails.dart
index 53a2754..dd3265d 100644
--- a/lib/view/pages/timetable/appointmentDetails.dart
+++ b/lib/view/pages/timetable/appointmentDetails.dart
@@ -79,7 +79,7 @@ class AppointmentDetails {
           ),
           ListTile(
             leading: const Icon(Icons.person),
-            title: Text("Lehrkraft: ${timetableData.te[0].name} (${timetableData.te[0].longname})"),
+            title: Text("Lehrkraft: ${timetableData.te[0].name} ${timetableData.te[0].longname.isNotEmpty ? "(${timetableData.te[0].longname})" : ""}"),
             trailing: Visibility(
               visible: !kReleaseMode,
               child: IconButton(