diff --git a/EduNetworkBuilder/Network.cs b/EduNetworkBuilder/Network.cs
index 91bafac..01f772e 100644
--- a/EduNetworkBuilder/Network.cs
+++ b/EduNetworkBuilder/Network.cs
@@ -999,6 +999,7 @@ namespace EduNetworkBuilder
                     AlreadyChosenTimeout = false;
                     NB.SetProgress(0, NumberOfSecondsForTimeout);
                     NB.UpdateMessages();
+                    NB.MarkToUpdate();
                 }
                 previously_had_packets = false;
             }