diff --git a/tools/perf/tests/shell/daemon.sh b/tools/perf/tests/shell/daemon.sh
index 5ad3ca8d681b7d8a8d8156942c39dfe61d10836a..58984380b211c286d6ebb0c5c9690cc7cd23cd4f 100755
--- a/tools/perf/tests/shell/daemon.sh
+++ b/tools/perf/tests/shell/daemon.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # daemon operations
 # SPDX-License-Identifier: GPL-2.0