diff --git a/scripts/wk/os/linux.py b/scripts/wk/os/linux.py
index 4ee690c3..96fc4905 100644
--- a/scripts/wk/os/linux.py
+++ b/scripts/wk/os/linux.py
@@ -205,7 +205,7 @@ def mount_volumes(device_path=None, read_write=False, scan_corestorage=False):
   json_data = get_json_from_command(cmd)
 
   # Build list of volumes
-  for dev in _get_volumes(json_data.get('blockdevices', [])):
+  for dev in _get_volumes(json_data.get('blockdevices', [{}])[0]):
     volumes.append(dev)
     if dev.get('parttype', '') == UUID_CORESTORAGE:
       containers.append(dev['name'])