diff --git a/TradeBlotter.csproj b/TradeBlotter.csproj
index db8e62f..5364d6e 100644
--- a/TradeBlotter.csproj
+++ b/TradeBlotter.csproj
@@ -107,6 +107,7 @@
       <SubType>Designer</SubType>
     </ApplicationDefinition>
     <Compile Include="Cache\PriceCache.cs" />
+    <Compile Include="Cache\SymbolCache.cs" />
     <Compile Include="DataAccess\TradeAddedEvenArgs.cs" />
     <Compile Include="DataAccess\TradeRepository.cs" />
     <Compile Include="FloatingWindow.xaml.cs">