diff --git a/tools/perf/tests/shell/attr.sh b/tools/perf/tests/shell/attr.sh
index 5a4e43b2471d..307e1535795a 100755
--- a/tools/perf/tests/shell/attr.sh
+++ b/tools/perf/tests/shell/attr.sh
@@ -18,5 +18,6 @@ trap trap_cleanup EXIT TERM INT
 shelldir=$(dirname "$0")
 perf_path=$(which perf)
 python "${shelldir}"/lib/attr.py -d "${shelldir}"/attr -v -p "$perf_path"
+err=$?
 cleanup
 exit $err