diff --git a/src/Microsoft.DotNet.SharedFramework.Sdk/targets/sharedfx.targets b/src/Microsoft.DotNet.SharedFramework.Sdk/targets/sharedfx.targets
index ed8fe84415b..395f2e3cbb0 100644
--- a/src/Microsoft.DotNet.SharedFramework.Sdk/targets/sharedfx.targets
+++ b/src/Microsoft.DotNet.SharedFramework.Sdk/targets/sharedfx.targets
@@ -3,6 +3,8 @@
     <PackageLicenseFile Condition="'$(PackageLicenseExpression)' == ''">$([System.IO.Path]::GetFileName('$(LicenseFile)'))</PackageLicenseFile>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
     <PublishReadyToRun Condition="'$(PublishReadyToRun)' == '' and '$(PlatformPackageType)' == 'RuntimePack' and '$(Configuration)' == 'Release'">true</PublishReadyToRun>
+    <!-- For .NET 6 and higher, default to using Crossgen2 in non-composite mode if PublishReadyToRun == true -->
+    <PublishReadyToRunUseCrossgen2 Condition="'$(PublishReadyToRunUseCrossgen2)' == '' and '$(PublishReadyToRun)' == 'true' and '$(_TargetFrameworkVersionWithoutV)' >= '6.0'">true</PublishReadyToRunUseCrossgen2>
     <PublishReadyToRunEmitSymbols>true</PublishReadyToRunEmitSymbols>
     <PublishReadyToRunShowWarnings>true</PublishReadyToRunShowWarnings>
     <AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>$(AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder);.map;.dbg;.debug;.dwarf</AllowedOutputExtensionsInSymbolsPackageBuildOutputFolder>