diff --git a/src/BreCalClient/EditTimesAgencyIncomingControl.xaml.cs b/src/BreCalClient/EditTimesAgencyIncomingControl.xaml.cs
index 968923f..48f2b34 100644
--- a/src/BreCalClient/EditTimesAgencyIncomingControl.xaml.cs
+++ b/src/BreCalClient/EditTimesAgencyIncomingControl.xaml.cs
@@ -152,18 +152,18 @@ namespace BreCalClient
                 this.doubleUpDownDraft.Value = this.ShipcallModel.Shipcall.Draft;
                 this.datePickerTidalWindowFrom.Value = this.ShipcallModel.Shipcall.TidalWindowFrom;
                 this.datePickerTidalWindowTo.Value = this.ShipcallModel.Shipcall.TidalWindowTo;
-                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled;
+                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled ?? false;
 
-                this.checkBoxAnchored.IsChecked = this.ShipcallModel.Shipcall.Anchored;
-                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired;
+                this.checkBoxAnchored.IsChecked = this.ShipcallModel.Shipcall.Anchored ?? false;
+                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired ?? false;
                 this.integerUpDownRecommendedTugs.Value = this.ShipcallModel.Shipcall.RecommendedTugs;
-                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired;
+                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired ?? false;
                                                
-                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock;
+                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock ?? false;
                 
-                this.checkBoxBunkering.IsChecked = this.ShipcallModel.Shipcall.Bunkering;
-                this.checkBoxReplenishingLock.IsChecked = this.ShipcallModel.Shipcall.ReplenishingLock;
-                this.checkBoxReplenishingTerminal.IsChecked = this.ShipcallModel.Shipcall.ReplenishingTerminal;
+                this.checkBoxBunkering.IsChecked = this.ShipcallModel.Shipcall.Bunkering ?? false;
+                this.checkBoxReplenishingLock.IsChecked = this.ShipcallModel.Shipcall.ReplenishingLock ?? false;
+                this.checkBoxReplenishingTerminal.IsChecked = this.ShipcallModel.Shipcall.ReplenishingTerminal ?? false;
 
                 if(!string.IsNullOrEmpty(this.Times.Remarks)) 
                     this.textBoxRemarks.Text = this.Times.Remarks;                
diff --git a/src/BreCalClient/EditTimesAgencyOutgoingControl.xaml.cs b/src/BreCalClient/EditTimesAgencyOutgoingControl.xaml.cs
index 17ccaf1..f53a5e8 100644
--- a/src/BreCalClient/EditTimesAgencyOutgoingControl.xaml.cs
+++ b/src/BreCalClient/EditTimesAgencyOutgoingControl.xaml.cs
@@ -147,14 +147,14 @@ namespace BreCalClient
                 this.doubleUpDownDraft.Value = this.ShipcallModel.Shipcall.Draft;
                 this.datePickerTidalWindowFrom.Value = this.ShipcallModel.Shipcall.TidalWindowFrom;
                 this.datePickerTidalWindowTo.Value = this.ShipcallModel.Shipcall.TidalWindowTo;
-                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled;
+                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled ?? false;
                 
-                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired;
+                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired ?? false;
                 this.integerUpDownRecommendedTugs.Value = this.ShipcallModel.Shipcall.RecommendedTugs;
-                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired;
+                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired ?? false;
 
-                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock;
-                this.checkBoxRainsensitiveCargo.IsChecked = this.ShipcallModel.Shipcall.RainSensitiveCargo;
+                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock ?? false;
+                this.checkBoxRainsensitiveCargo.IsChecked = this.ShipcallModel.Shipcall.RainSensitiveCargo ?? false;
                 if(!string.IsNullOrEmpty(this.Times.Remarks))
                     this.textBoxRemarks.Text = this.Times.Remarks;
 
diff --git a/src/BreCalClient/EditTimesAgencyShiftingControl.xaml.cs b/src/BreCalClient/EditTimesAgencyShiftingControl.xaml.cs
index eaf3478..362cfc8 100644
--- a/src/BreCalClient/EditTimesAgencyShiftingControl.xaml.cs
+++ b/src/BreCalClient/EditTimesAgencyShiftingControl.xaml.cs
@@ -164,14 +164,14 @@ namespace BreCalClient
                 this.doubleUpDownDraft.Value = this.ShipcallModel.Shipcall.Draft;
                 this.datePickerTidalWindowFrom.Value = this.ShipcallModel.Shipcall.TidalWindowFrom;
                 this.datePickerTidalWindowTo.Value = this.ShipcallModel.Shipcall.TidalWindowTo;
-                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled;
+                this.checkBoxCanceled.IsChecked = this.ShipcallModel.Shipcall.Canceled ?? false;
                 
-                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired;
+                this.checkBoxTugRequired.IsChecked = this.ShipcallModel.Shipcall.TugRequired ?? false;
                 this.integerUpDownRecommendedTugs.Value = this.ShipcallModel.Shipcall.RecommendedTugs;
-                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired;
+                this.checkBoxPilotRequired.IsChecked = this.ShipcallModel.Shipcall.PilotRequired ?? false;
 
-                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock;
-                this.checkBoxRainsensitiveCargo.IsChecked = this.ShipcallModel.Shipcall.RainSensitiveCargo;
+                this.checkBoxMooredLock.IsChecked = this.ShipcallModel.Shipcall.MooredLock ?? false;
+                this.checkBoxRainsensitiveCargo.IsChecked = this.ShipcallModel.Shipcall.RainSensitiveCargo ?? false;
                 if(!string.IsNullOrEmpty(this.Times.Remarks))
                     this.textBoxRemarks.Text = this.Times.Remarks;