diff --git a/MtApi/MtApi.csproj b/MtApi/MtApi.csproj
index c2c646ff..b6e7a415 100755
--- a/MtApi/MtApi.csproj
+++ b/MtApi/MtApi.csproj
@@ -60,6 +60,9 @@
   <ItemGroup>
     <Compile Include="ChartPeriod.cs" />
     <Compile Include="EnumAlignMode.cs" />
+    <Compile Include="EnumChartPropertyDouble.cs" />
+    <Compile Include="EnumChartPropertyInteger.cs" />
+    <Compile Include="EnumChartPropertyString.cs" />
     <Compile Include="EnumColorFormat.cs" />
     <Compile Include="EnumObject.cs" />
     <Compile Include="EnumObjectPropertyDouble.cs" />