diff --git a/scripts/setup.sh b/scripts/setup.sh
index 22e726de52..d13e0c43ee 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -251,7 +251,7 @@ function cleanup_linux {
 	done
 	shopt -u extglob nullglob
 
-	files_to_clean+="$(echo /dev/shm/* | egrep '(spdk_tgt|iscsi|vhost|nvmf|rocksdb|bdevtest|bdevperf)_trace|spdk_iscsi_conns' || true) "
+	files_to_clean+="$(ls -1 /dev/shm/* | egrep '(spdk_tgt|iscsi|vhost|nvmf|rocksdb|bdevtest|bdevperf)_trace|spdk_iscsi_conns' || true) "
 	files_to_clean="$(readlink -e assert_not_empty $files_to_clean || true)"
 	if [[ -z "$files_to_clean" ]]; then
 		echo "Clean"