diff --git a/src/Native/Native.csproj b/src/Native/Native.csproj
index 5a6e697f..96fd2a76 100644
--- a/src/Native/Native.csproj
+++ b/src/Native/Native.csproj
@@ -94,7 +94,7 @@
     </Compile>
     <Compile Include="..\Managed\Precision.cs">
       <Link>Precision.cs</Link>
-	</Compile>
+    </Compile>
     <Compile Include="..\Managed\Properties\Resources.Designer.cs">
       <Link>Properties\Resources.Designer.cs</Link>
     </Compile>
@@ -104,6 +104,12 @@
     <Compile Include="..\Managed\SiPrefixes.cs">
       <Link>SiPrefixes.cs</Link>
     </Compile>
+    <Compile Include="..\Managed\SpecialFunctions.cs">
+      <Link>SpecialFunctions.cs</Link>
+    </Compile>
+    <Compile Include="..\Managed\SpecialFunctions\Erf.cs">
+      <Link>SpecialFunctions\Erf.cs</Link>
+    </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>