diff --git a/src/FSharp/FSharp.fsproj b/src/FSharp/FSharp.fsproj
index bf850432..53e98c55 100644
--- a/src/FSharp/FSharp.fsproj
+++ b/src/FSharp/FSharp.fsproj
@@ -46,6 +46,7 @@
   <Import Project="$(MSBuildExtensionsPath32)\FSharp\1.0\Microsoft.FSharp.Targets" Condition="!Exists('$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll')" />
   <Import Project="$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets" Condition="Exists('$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll')" />
   <ItemGroup>
+    <Compile Include="Extensions.fs" />
     <Compile Include="DenseVector.fs" />
     <Compile Include="DenseMatrix.fs" />
     <Compile Include="SparseMatrix.fs" />
diff --git a/src/FSharp/Main.fs b/src/FSharp/Main.fs
index 47e3f14a..9bb5c897 100644
--- a/src/FSharp/Main.fs
+++ b/src/FSharp/Main.fs
@@ -32,6 +32,7 @@ namespace MathNet.Numerics
 
 open MathNet.Numerics.LinearAlgebra.Double
 open MathNet.Numerics.LinearAlgebra.Generic
+
 /// A module which implements some F# utility functions.
 module FSharp =