diff --git a/src/RhSolutions.csproj b/src/RhSolutions.csproj
index 2005e5d..3348605 100644
--- a/src/RhSolutions.csproj
+++ b/src/RhSolutions.csproj
@@ -79,7 +79,7 @@
   <ItemGroup>
     <Compile Include="AddIn\EventsUtil.cs" />
     <Compile Include="AddIn\RehauSku.cs" />
-    <Compile Include="Interface\AbstractBar.cs" />
+    <Compile Include="Interface\StatusbarBase.cs" />
     <Compile Include="Interface\Dialog.cs" />
     <Compile Include="AddIn\RegistryUtil.cs" />
     <Compile Include="AddIn\SkuExtensions.cs" />
@@ -88,9 +88,9 @@
     <Compile Include="PriceListTools\CombineTool.cs" />
     <Compile Include="PriceListTools\ConvertTool.cs" />
     <Compile Include="PriceListTools\Product.cs" />
-    <Compile Include="PriceListTools\AbstractTool.cs" />
+    <Compile Include="PriceListTools\ToolBase.cs" />
     <Compile Include="PriceListTools\MergeTool.cs" />
-    <Compile Include="PriceListTools\AbstractPriceList.cs" />
+    <Compile Include="PriceListTools\PriceListBase.cs" />
     <Compile Include="PriceListTools\PriceListHeaders.cs" />
     <Compile Include="PriceListTools\SourcePriceList.cs" />
     <Compile Include="PriceListTools\TargetPriceList.cs" />