diff --git a/GUIs.Test.TestGUI/TestGUI.vbproj b/GUIs.Test.TestGUI/TestGUI.vbproj
index 822d350e..fb32b4d5 100644
--- a/GUIs.Test.TestGUI/TestGUI.vbproj
+++ b/GUIs.Test.TestGUI/TestGUI.vbproj
@@ -79,6 +79,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\Controls.DocumentViewer\bin\Debug\DigitalData.Controls.DocumentViewer.dll</HintPath>
     </Reference>
+    <Reference Include="DigitalData.GUIs.Common">
+      <HintPath>..\GUIs.Common\bin\Debug\DigitalData.GUIs.Common.dll</HintPath>
+    </Reference>
     <Reference Include="DigitalData.Modules.Config">
       <HintPath>..\..\DDModules\Config\bin\Debug\DigitalData.Modules.Config.dll</HintPath>
     </Reference>