diff --git a/Directory.Build.props b/Directory.Build.props
index 58e3e9f31..da3949143 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -82,8 +82,8 @@
     <LangVersion>preview</LangVersion>
 
     <IsNetFramework Condition="'$(TargetFramework)' == 'net452' Or '$(TargetFramework)' == 'net46' Or '$(TargetFramework)' == 'net461' Or '$(TargetFramework)' == 'net462' Or '$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net480' Or '$(TargetFramework)' == 'net481' ">True</IsNetFramework>
-    <IsNetCore Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net6.0' Or '$(TargetFramework)' == 'net7.0'">True</IsNetCore>
-    <IsNetStandard20 Condition="'$(TargetFramework)' == 'net461' Or '$(TargetFramework)' == 'net462' Or '$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net480' Or '$(TargetFramework)' == 'net481' Or '$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net6.0' Or '$(TargetFramework)' == 'net7.0'">True</IsNetStandard20>
+    <IsNetCore Condition="'$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net6.0' Or '$(TargetFramework)' == 'net7.0' Or '$(TargetFramework)' == 'net8.0'">True</IsNetCore>
+    <IsNetStandard20 Condition="'$(TargetFramework)' == 'net461' Or '$(TargetFramework)' == 'net462' Or '$(TargetFramework)' == 'net472' Or '$(TargetFramework)' == 'net480' Or '$(TargetFramework)' == 'net481' Or '$(TargetFramework)' == 'netcoreapp3.1' Or '$(TargetFramework)' == 'net6.0' Or '$(TargetFramework)' == 'net7.0' Or '$(TargetFramework)' == 'net8.0'">True</IsNetStandard20>
 
     <!-- .NET 6 introduces implicit global usings.
     This causes build errors in our multi-target projects.