diff --git a/nselib/creds.lua b/nselib/creds.lua
index 28856dbc7..120ce3f6d 100644
--- a/nselib/creds.lua
+++ b/nselib/creds.lua
@@ -108,6 +108,7 @@ State = {
 	TIME_RESTRICTED = 64,
 	HOST_RESTRICTED = 128,
 	LOCKED_VALID = 256,
+	DISABLED_VALID = 512,
 }
 
 StateMsg = {