diff --git a/bench.sh b/bench.sh
index 4c42cb10..dbbf22eb 100755
--- a/bench.sh
+++ b/bench.sh
@@ -45,6 +45,7 @@ if ! "${SKIP_CONFIG}" ; then
 fi
 
 echo "$(date) - Starting $NUM tests"
+set -o pipefail
 for i in $(seq "$NUM"); do
   ./run_tests.sh "${RUN_OPS[@]}" | tee /tmp/run_tests.log
   status=$?
@@ -63,6 +64,7 @@ for i in $(seq "$NUM"); do
   mv log "log_$i"
   mv result "result_$i"
 done
+set +o pipefail
 
 if ! "${SKIP_CONFIG}" ; then
 	echo "remove configuration for tests"