diff --git a/lib/messages.dart b/lib/messages.dart
index cd0fabc..1f5d987 100644
--- a/lib/messages.dart
+++ b/lib/messages.dart
@@ -139,7 +139,7 @@ class TimeTablePageState extends BaseState<MessagesPage> {
     }
     for (TimelineItem msg in msgsWOR) {
       bool isImportantMessage = false;
-      if (msg.data["Value"]["messageContent"] != null) {
+      if (msg.data["Value"]?["messageContent"] != null) {
         isImportantMessage = true;
       }
       /*