diff --git a/lib/config.py b/lib/config.py
index 16acc107f3f26829c63d3a85f6accebd98da91e2..1435ffabacbf19cb54aaa385cf563794f48d9eb2 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -453,7 +453,7 @@ class ConfigWriter:
       if [node.master_candidate, node.drained, node.offline].count(True) > 1:
         result.append("Node %s state is invalid: master_candidate=%s,"
                       " drain=%s, offline=%s" %
-                      (node.name, node.master_candidate, node.drain,
+                      (node.name, node.master_candidate, node.drained,
                        node.offline))
 
     # drbd minors check