diff --git a/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/UniversalEditor.Environments.GTK.csproj b/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/UniversalEditor.Environments.GTK.csproj
index b1f1ed46..743274da 100644
--- a/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/UniversalEditor.Environments.GTK.csproj
+++ b/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/UniversalEditor.Environments.GTK.csproj
@@ -59,9 +59,9 @@
   <ItemGroup>
     <Compile Include="gtk-gui\generated.cs" />
     <Compile Include="MainWindow.cs" />
-    <Compile Include="gtk-gui\MainWindow.cs" />
     <Compile Include="AssemblyInfo.cs" />
     <Compile Include="GTKEngine.cs" />
+    <Compile Include="gtk-gui\UniversalEditor.Engines.GTK.MainWindow.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/gtk-gui/gui.stetic b/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/gtk-gui/gui.stetic
index 61cf9407..2f9ef263 100644
--- a/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/gtk-gui/gui.stetic
+++ b/CSharp/Environments/GTK/Engines/UniversalEditor.Environments.GTK/gtk-gui/gui.stetic
@@ -8,7 +8,7 @@
     <widget-library name="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
     <widget-library name="../../../../../Output/Debug/UniversalEditor.Environments.GTK.dll" internal="true" />
   </import>
-  <widget class="Gtk.Window" id="MainWindow" design-size="400 299">
+  <widget class="Gtk.Window" id="UniversalEditor.Engines.GTK.MainWindow" design-size="400 299">
     <action-group name="Default">
       <action id="FileAction">
         <property name="Type">Action</property>
@@ -116,7 +116,7 @@
           </packing>
         </child>
         <child>
-          <widget class="Gtk.Notebook" id="notebook1">
+          <widget class="Gtk.Notebook" id="tbsTabs">
             <property name="MemberName" />
             <property name="CanFocus">True</property>
             <property name="CurrentPage">-1</property>