diff --git a/build-system/scripts/cond_spot_run_test b/build-system/scripts/cond_spot_run_test
index e4e83649995..0c00414c505 100755
--- a/build-system/scripts/cond_spot_run_test
+++ b/build-system/scripts/cond_spot_run_test
@@ -1,4 +1,5 @@
 #!/bin/bash
+env
 [ -n "${BUILD_SYSTEM_DEBUG:-}" ] && set -x # conditionally trace
 set -euo pipefail
 
@@ -13,4 +14,5 @@ SCRIPT=$(query_manifest relativeProjectDir $REPOSITORY)/$SCRIPT
 
 # Specify a TAG_POSTFIX as the JOB_NAME
 mkdir -p /tmp/test-logs
-TAG_POSTFIX=$JOB_NAME cond_spot_run_script $REPOSITORY $CPUS $SCRIPT $@ | tee "/tmp/test-logs/$JOB_NAME.log"
+export TAG_POSTFIX=$JOB_NAME 
+cond_spot_run_script $REPOSITORY $CPUS $SCRIPT $@ | tee "/tmp/test-logs/$JOB_NAME.log"