diff --git a/jenkins/build-config.jpl b/jenkins/build-config.jpl
index 365b608..397e6f4 100644
--- a/jenkins/build-config.jpl
+++ b/jenkins/build-config.jpl
@@ -95,9 +95,7 @@
   try {
     verify = 1
     stage("Build") {
-      tee("build.log") {
-        sh "tf-m-ci-scripts/run-build.sh"
-      }
+      sh "tf-m-ci-scripts/run-build.sh 2>&1 | tee build.log"
     }
     stage("Post") {
       archiveArtifacts 'trusted-firmware-m/build/install/**,build.log'