diff --git a/ProjectEulerCS/ProjectEulerCS.csproj b/ProjectEulerCS/ProjectEulerCS.csproj
index ea93338..ef1a03a 100644
--- a/ProjectEulerCS/ProjectEulerCS.csproj
+++ b/ProjectEulerCS/ProjectEulerCS.csproj
@@ -1,14 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
+	<PropertyGroup>
+		<OutputType>Exe</OutputType>
+		<TargetFramework>netcoreapp3.1</TargetFramework>
+	</PropertyGroup>
 
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <Reference Include="CSClasses">
-      <HintPath>..\..\..\C#\CSClasses\CSClasses\bin\Release\netstandard2.0\CSClasses.dll</HintPath>
-    </Reference>
-  </ItemGroup>
-
+	<ItemGroup>
+		<ProjectReference Include="..\..\..\C#\CSClasses\CSClasses\CSClasses.csproj"/>
+	</ItemGroup>
 </Project>