diff --git a/eng/pipelines/templates/stages/1es-redirect.yml b/eng/pipelines/templates/stages/1es-redirect.yml
index c3b1155bfff..0b19a5dc7e2 100644
--- a/eng/pipelines/templates/stages/1es-redirect.yml
+++ b/eng/pipelines/templates/stages/1es-redirect.yml
@@ -32,6 +32,7 @@ extends:
       ${{ if and(parameters.GenerateBaselines, eq(variables['Build.SourceBranchName'], 'main'), eq(variables['System.TeamProject'], 'internal')) }}:
         autobaseline:
           isMainPipeline: true
+          disableAutoBaselineOnNonDefaultBranches: true
           enableForGitHub: true
       sourceAnalysisPool:
         name: azsdk-pool-mms-win-2022-general