diff --git a/DiscImageChef.Tests/DiscImageChef.Tests.csproj b/DiscImageChef.Tests/DiscImageChef.Tests.csproj
index 90793113..7b25a46f 100644
--- a/DiscImageChef.Tests/DiscImageChef.Tests.csproj
+++ b/DiscImageChef.Tests/DiscImageChef.Tests.csproj
@@ -153,6 +153,7 @@
     <Compile Include="Filesystems\QNX4.cs" />
     <Compile Include="Filesystems\QNX4_MBR.cs" />
     <Compile Include="Filesystems\XFS_MBR.cs" />
+    <Compile Include="Filesystems\UFS_NeXT_Floppy.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />