diff --git a/src/SourceBuild/content/repo-projects/Directory.Build.targets b/src/SourceBuild/content/repo-projects/Directory.Build.targets
index 6468045f6..130081de2 100644
--- a/src/SourceBuild/content/repo-projects/Directory.Build.targets
+++ b/src/SourceBuild/content/repo-projects/Directory.Build.targets
@@ -124,14 +124,14 @@
 
   <!-- TODO: Remove when all repos use a consistent set of eng/common files: https://github.com/dotnet/source-build/issues/3710. -->
   <Target Name="UpdateEngCommonFiles"
-          Condition="'$(UpdateEngCommonFiles)' == 'true' or '$(DotNetBuildVertical)' == 'true'"
+          Condition="'$(RepositoryName)' != 'arcade' and ('$(UpdateEngCommonFiles)' == 'true' or '$(DotNetBuildVertical)' == 'true')"
           BeforeTargets="Build">
     <!-- We assume that the eng/common files in Arcade are most up-to-date. -->
     <ItemGroup>
       <OriginEngCommonFile Include="$(RepoRoot)src\arcade\eng\common\**\*" />
     </ItemGroup>
 
-    <Copy SourceFiles="@(OrchestratorEngCommonFile)"
+    <Copy SourceFiles="@(OriginEngCommonFile)"
           DestinationFolder="$(ProjectDirectory)eng\common\%(RecursiveDir)"
           SkipUnchangedFiles="true" />
   </Target>