diff --git a/src/redist/targets/GenerateLayout.targets b/src/redist/targets/GenerateLayout.targets
index ca2bf1373..1d1dea9d4 100644
--- a/src/redist/targets/GenerateLayout.targets
+++ b/src/redist/targets/GenerateLayout.targets
@@ -8,7 +8,8 @@
   <Target Name="SetupBundledComponents" DependsOnTargets="GetCurrentRuntimeInformation;SetupFileExtensions;SetSdkVersionInfo;SetBuildDefaults">
     <PropertyGroup>
       <SdkOutputDirectory>$(RedistLayoutPath)sdk\$(SdkVersion)\</SdkOutputDirectory>
-      <CoreSetupBlobRootUrl>https://dotnetcli.azureedge.net/dotnet/</CoreSetupBlobRootUrl>
+      <CoreSetupBlobRootUrl Condition="'$(CoreSetupBlobRootUrl)' == ''">https://dotnetcli.azureedge.net/dotnet/</CoreSetupBlobRootUrl>
+      <DotnetExtensionsBlobRootUrl Condition="'$(DotnetExtensionsBlobRootUrl)' == ''">https://dotnetcli.blob.core.windows.net/dotnet/</DotnetExtensionsBlobRootUrl>
       <DotnetToolsetBlobRootUrl Condition="'$(DotnetToolsetBlobRootUrl)' == ''">https://dotnetfeed.blob.core.windows.net/dotnet-toolset/</DotnetToolsetBlobRootUrl>
       
       <CoreSetupRid>$(HostRid)</CoreSetupRid>