diff --git a/lib/backend.py b/lib/backend.py
index f0569750d565356ce1744ea0842f5d97d2370bfd..7d51df0a8ede7faa5c9caf9575f5ca0be8ce8925 100644
--- a/lib/backend.py
+++ b/lib/backend.py
@@ -309,7 +309,8 @@ def NodeVolumes():
       'vg': line[3].strip(),
     }
 
-  return [map_line(line.split('|')) for line in result.stdout.splitlines()]
+  return [map_line(line.split('|')) for line in result.stdout.splitlines()
+          if line.count('|') >= 3]
 
 
 def BridgesExist(bridges_list):