diff --git a/eng/pipelines/azure-pipelines.yml b/eng/pipelines/azure-pipelines.yml
index f3ea216996..0030aa2989 100644
--- a/eng/pipelines/azure-pipelines.yml
+++ b/eng/pipelines/azure-pipelines.yml
@@ -122,7 +122,7 @@ extends:
           enablePublishBuildAssets: true
           enableTelemetry: true
           enableSourceBuild: true
-          enableSourceIndex: false
+          enableSourceIndex: true
           publishAssetsImmediately: true
           # Publish build logs
           enablePublishBuildArtifacts: true