diff --git a/build/repo.targets b/build/repo.targets
index f02ea34b4c..6caa557275 100644
--- a/build/repo.targets
+++ b/build/repo.targets
@@ -857,6 +857,7 @@
       --rm
       -v $(RepositoryRoot):$(DockerRootDirectory)
       -e DOTNET_SKIP_FIRST_TIME_EXPERIENCE=true
+      -e KOREBUILD_SKIP_OLD_RUNTIME_INSTALL=true
       -e BuildNumber=$(BuildNumber)
       -e RUNTIMESTORE_TIMESTAMP_INSTALLERNAME=$(RuntimeStoreTimestampInstallerPackageName)
       -e RUNTIMESTORE_NOTIMESTAMP_INSTALLERNAME=$(RuntimeStoreNoTimestampInstallerPackageName)