diff --git a/Samples/DualTextureSample/DualTextureSample.csproj b/Samples/DualTextureSample/DualTextureSample.csproj
index 4f6ae9d9..c573cd54 100644
--- a/Samples/DualTextureSample/DualTextureSample.csproj
+++ b/Samples/DualTextureSample/DualTextureSample.csproj
@@ -105,6 +105,10 @@
       <Project>{14EF49AB-6D3F-458D-9D5C-D120B86EDD7A}</Project>
       <Name>ANX.SoundSystem.OpenAL</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\SoundSystems\ANX.SoundSystem.Windows.XAudio\ANX.SoundSystem.Windows.XAudio.csproj">
+      <Project>{6A582788-C4D2-410C-96CD-177F75712D65}</Project>
+      <Name>ANX.SoundSystem.Windows.XAudio</Name>
+    </ProjectReference>
     <ProjectReference Include="..\SampleContent\SampleContent.contentproj">
       <Project>{FA6E229D-4504-47B1-8A23-2D3FCC13F778}</Project>
       <Name>SampleContent</Name>