diff --git a/script/get-generic-sys-util/customize.py b/script/get-generic-sys-util/customize.py
index b020841eac..c429066b6e 100644
--- a/script/get-generic-sys-util/customize.py
+++ b/script/get-generic-sys-util/customize.py
@@ -10,6 +10,8 @@ def preprocess(i):
     state = i['state']
     automation = i['automation']
 
+    if env['CM_SYS_UTIL_NAME'] == "psmisc" and env.get('CM_HOST_OS_PACKAGE_MANAGER', '') == "brew":
+        env['CM_SYS_UTIL_VERSION_CMD_OVERRIDE'] = "brew info pstree > tmp-run.out 2>&1 | grep pstree"
     #Use VERSION_CMD and CHECK_CMD if no CHECK_CMD is set
     if env.get('CM_SYS_UTIL_VERSION_CMD', '') != '' and env.get('CM_SYS_UTIL_CHECK_CMD', '') == '':
         env['CM_SYS_UTIL_CHECK_CMD'] = env['CM_SYS_UTIL_VERSION_CMD']