diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 25d49fa208..e7df197953 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -220,6 +220,7 @@
     <Compile Include="Computers\Commodore64\C64.MotherboardInput.cs" />
     <Compile Include="Computers\Commodore64\Cartridge\Mapper0001.cs" />
     <Compile Include="Computers\Commodore64\Cartridge\Mapper0005.cs" />
+		<Compile Include="Computers\Commodore64\Cartridge\Mapper0008.cs" />
     <Compile Include="Computers\Commodore64\Cartridge\Mapper000A.cs" />
     <Compile Include="Computers\Commodore64\Cartridge\Mapper000B.cs" />
     <Compile Include="Computers\Commodore64\Cartridge\Mapper000F.cs" />
@@ -1345,4 +1346,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
\ No newline at end of file
+</Project>