diff --git a/ENI2/DetailViewControls/PortCallDetailControl.xaml.cs b/ENI2/DetailViewControls/PortCallDetailControl.xaml.cs
index aaf976c8..f04d766a 100644
--- a/ENI2/DetailViewControls/PortCallDetailControl.xaml.cs
+++ b/ENI2/DetailViewControls/PortCallDetailControl.xaml.cs
@@ -364,8 +364,8 @@ namespace ENI2.DetailViewControls
             // confirm overwrite of waste disposal service provider
             if (this.textBox_WasteDisposalServiceProvider.Text.Length > 0)
             {
-                if (MessageBox.Show(Properties.Resources.textConfirmWSDPOverwrite, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No)
-                    == MessageBoxResult.No) { return; }
+                string message = string.Format(Properties.Resources.textConfirmWSDPOverwrite, this.textBox_WasteDisposalServiceProvider.Text, this._currentTemplate.WasteDisposalServiceProviderName);
+                if (MessageBox.Show(message, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No) { return; }
             }
 
             this._undoTemplate = createFromCurrentText(null, null);
diff --git a/ENI2/Properties/Resources.Designer.cs b/ENI2/Properties/Resources.Designer.cs
index c499c4c4..2c4d1999 100644
--- a/ENI2/Properties/Resources.Designer.cs
+++ b/ENI2/Properties/Resources.Designer.cs
@@ -2174,7 +2174,9 @@ namespace ENI2.Properties {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to The existing value for the waste disposal service provider will be overwritten. Proceed?.
+        ///   Looks up a localized string similar to The existing value for the waste disposal service provider will be overwritten.
+        ///Current entry:{0} New entry:{1}
+        ///Proceed?.
         /// </summary>
         public static string textConfirmWSDPOverwrite {
             get {
diff --git a/ENI2/Properties/Resources.resx b/ENI2/Properties/Resources.resx
index 81f42998..1902b39a 100644
--- a/ENI2/Properties/Resources.resx
+++ b/ENI2/Properties/Resources.resx
@@ -2258,6 +2258,8 @@
     <value>NSW-Status</value>
   </data>
   <data name="textConfirmWSDPOverwrite" xml:space="preserve">
-    <value>The existing value for the waste disposal service provider will be overwritten. Proceed?</value>
+    <value>The existing value for the waste disposal service provider will be overwritten.
+Current entry:{0} New entry:{1}
+Proceed?</value>
   </data>
 </root>
\ No newline at end of file
diff --git a/ENI2/SheetDisplayControls/PortControl.xaml.cs b/ENI2/SheetDisplayControls/PortControl.xaml.cs
index e8b70e4c..4770b831 100644
--- a/ENI2/SheetDisplayControls/PortControl.xaml.cs
+++ b/ENI2/SheetDisplayControls/PortControl.xaml.cs
@@ -342,7 +342,8 @@ namespace ENI2.SheetDisplayControls
             // confirm overwrite of waste disposal service provider
             if (this.textBox_WasteDisposalServiceProvider.Text.Length > 0)
             {
-                if (MessageBox.Show(Properties.Resources.textConfirmWSDPOverwrite, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No)
+                string message = string.Format(Properties.Resources.textConfirmWSDPOverwrite, this.textBox_WasteDisposalServiceProvider.Text, this._currentTemplate.WasteDisposalServiceProviderName);
+                if (MessageBox.Show(message, Properties.Resources.textConfirmation, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No)
                     == MessageBoxResult.No) { return; }
             }