diff --git a/.bin/Scripts/functions/data.py b/.bin/Scripts/functions/data.py
index 0ddf93bc..15a854a8 100644
--- a/.bin/Scripts/functions/data.py
+++ b/.bin/Scripts/functions/data.py
@@ -151,12 +151,16 @@ def is_valid_wim_file(item):
 def get_mounted_volumes():
   """Get mounted volumes, returns dict."""
   cmd = [
-    'findmnt', '-J', '-b', '-i',
-    '-t', (
+    'findmnt',
+    '--list',
+    '--json',
+    '--bytes',
+    '--invert',
+    '--types', (
       'autofs,binfmt_misc,bpf,cgroup,cgroup2,configfs,debugfs,devpts,'
       'devtmpfs,hugetlbfs,mqueue,proc,pstore,securityfs,sysfs,tmpfs'
       ),
-    '-o', 'SOURCE,TARGET,FSTYPE,LABEL,SIZE,AVAIL,USED']
+    '--output', 'SOURCE,TARGET,FSTYPE,LABEL,SIZE,AVAIL,USED']
   json_data = get_json_from_command(cmd)
   mounted_volumes = []
   for item in json_data.get('filesystems', []):
@@ -195,6 +199,8 @@ def mount_volumes(
         volumes.update({child['name']: child})
       for grandchild in child.get('children', []):
         volumes.update({grandchild['name']: grandchild})
+        for great_grandchild in grandchild.get('children', []):
+          volumes.update({great_grandchild['name']: great_grandchild})
 
   # Get list of mounted volumes
   mounted_volumes = get_mounted_volumes()