diff --git a/Jenkins/Phabricator-windows-pipeline/Jenkinsfile b/Jenkins/Phabricator-windows-pipeline/Jenkinsfile
index f998d3e..ac09c1a 100644
--- a/Jenkins/Phabricator-windows-pipeline/Jenkinsfile
+++ b/Jenkins/Phabricator-windows-pipeline/Jenkinsfile
@@ -56,7 +56,10 @@ pipeline {
         stage('arc patch'){
             steps {
                 dir("${LLVM_DIR}"){
-                    powershell "python3 ${SCRIPT_DIR}/phabtalk/apply_patch2.py --comment-file ${PHAB_LOG}  --token ${CONDUIT_TOKEN} --url ${PHABRICATOR_HOST} ${DIFF_ID}"
+                    powershell """
+                        \$ErrorActionPreference = 'Stop'
+                        python3 ${SCRIPT_DIR}/phabtalk/apply_patch2.py --comment-file ${PHAB_LOG}  --token ${CONDUIT_TOKEN} --url ${PHABRICATOR_HOST} ${DIFF_ID}
+                        """
                 }
             }
         }