diff --git a/scripts/gdb/linux/lists.py b/scripts/gdb/linux/lists.py
index 71fba6afcb5586bffea3b8d383a3be965deb41a1..3a3775bc162bd7805f509d3aa4337ec967b43fa8 100644
--- a/scripts/gdb/linux/lists.py
+++ b/scripts/gdb/linux/lists.py
@@ -80,7 +80,8 @@ class LxListChk(gdb.Command):
     """Verify a list consistency"""
 
     def __init__(self):
-        super(LxListChk, self).__init__("lx-list-check", gdb.COMMAND_DATA)
+        super(LxListChk, self).__init__("lx-list-check", gdb.COMMAND_DATA,
+                                        gdb.COMPLETE_EXPRESSION)
 
     def invoke(self, arg, from_tty):
         argv = gdb.string_to_argv(arg)