diff --git a/Rdmp.UI/LocationsMenu/ChoosePlatformDatabasesUI.cs b/Rdmp.UI/LocationsMenu/ChoosePlatformDatabasesUI.cs
index 3355fa3a97..8d1318961d 100644
--- a/Rdmp.UI/LocationsMenu/ChoosePlatformDatabasesUI.cs
+++ b/Rdmp.UI/LocationsMenu/ChoosePlatformDatabasesUI.cs
@@ -400,7 +400,6 @@ private void btnUseYamlFile_Click(object sender, EventArgs e)
                     foreach (var item in docs.Select((value, i) => new { i, value }))
                     {
                         var value = item.value;
-                        var index = item.i;
 
                         if (value == "CatalogueConnectionString") catalogueConnectionString = docs.ToList()[item.i + 1];
                         if (value == "DataExportConnectionString") dataExportConnectionString = docs.ToList()[item.i + 1];
@@ -413,6 +412,8 @@ private void btnUseYamlFile_Click(object sender, EventArgs e)
             catch (Exception)
             {
                 //Unable to parse yaml file
+                tbCatalogueConnectionString.Text = null;
+                tbDataExportManagerConnectionString.Text = null;
             }
 
         };