diff --git a/trunk/lsleditor.csproj b/trunk/lsleditor.csproj
index e74734a..d4900f7 100644
--- a/trunk/lsleditor.csproj
+++ b/trunk/lsleditor.csproj
@@ -116,6 +116,7 @@
     <Compile Include="Decompressor\Decompress.cs" />
     <Compile Include="Editor\MsXsltContext.cs" />
     <Compile Include="Helpers\HTTPRequest.cs" />
+    <Compile Include="Helpers\OutlineHelper.cs" />
     <Compile Include="Helpers\SendMyKeys.cs" />
     <Compile Include="Plugins\Generic.cs" />
     <Compile Include="Solution\GuidProperty.cs">