diff --git a/jenkins/L0_MergeRequest.groovy b/jenkins/L0_MergeRequest.groovy
index cefb06508c18..48e68efea3dd 100644
--- a/jenkins/L0_MergeRequest.groovy
+++ b/jenkins/L0_MergeRequest.groovy
@@ -339,7 +339,9 @@ def mergeWaiveList(pipeline, globalVars)
     LLM_TOT_ROOT = "llm-tot"
     targetBranch = env.gitlabTargetBranch ? env.gitlabTargetBranch : globalVars[TARGET_BRANCH]
     echo "Target branch: ${targetBranch}"
-    trtllm_utils.checkoutSource(LLM_REPO, targetBranch, LLM_TOT_ROOT, true, true)
+    withCredentials([string(credentialsId: 'default-sync-llm-repo', variable: 'DEFAULT_SYNC_LLM_REPO')]) {
+        trtllm_utils.checkoutSource(DEFAULT_SYNC_LLM_REPO, targetBranch, LLM_TOT_ROOT, false, false)
+    }
     targetBranchTOTCommit = sh (script: "cd ${LLM_TOT_ROOT} && git rev-parse HEAD", returnStdout: true).trim()
     echo "Target branch TOT commit: ${targetBranchTOTCommit}"
     sh "cp ${LLM_TOT_ROOT}/tests/integration/test_lists/waives.txt ./waives_TOT_${targetBranchTOTCommit}.txt"