diff --git a/tools/perf/tests/shell/probe_vfs_getname.sh b/tools/perf/tests/shell/probe_vfs_getname.sh
index 5d1b63d3f3e1..871243d6d03a 100755
--- a/tools/perf/tests/shell/probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/probe_vfs_getname.sh
@@ -4,11 +4,11 @@
 # SPDX-License-Identifier: GPL-2.0
 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
 
-. $(dirname $0)/lib/probe.sh
+. "$(dirname $0)"/lib/probe.sh
 
 skip_if_no_perf_probe || exit 2
 
-. $(dirname $0)/lib/probe_vfs_getname.sh
+. "$(dirname $0)"/lib/probe_vfs_getname.sh
 
 add_probe_vfs_getname || skip_if_no_debuginfo
 err=$?