diff --git a/build.props b/build.props
index ff755bf..e9c80fa 100644
--- a/build.props
+++ b/build.props
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project>
   <PropertyGroup Condition=" $(TargetFramework.StartsWith(`net4`)) ">
     <DefineConstants>$(DefineConstants);NETFRAMEWORK</DefineConstants>
   </PropertyGroup>