diff --git a/src/BreCalClient/EditShipDialog.xaml.cs b/src/BreCalClient/EditShipDialog.xaml.cs
index 741c1f4..5feeb9b 100644
--- a/src/BreCalClient/EditShipDialog.xaml.cs
+++ b/src/BreCalClient/EditShipDialog.xaml.cs
@@ -41,8 +41,8 @@ namespace BreCalClient
             }
             this.Ship.Imo = this.integerUpDownIMO.Value;
             this.Ship.Callsign = this.textBoxCallsign.Text.ToUpper().Trim();
-            this.Ship.Length = (float?) this.doubleUpDownLength.Value;
-            this.Ship.Width = (float?) this.doubleUpDownWidth.Value;
+            this.Ship.Length = this.doubleUpDownLength.Value;
+            this.Ship.Width = this.doubleUpDownWidth.Value;
             this.DialogResult = true;
             this.Close();