diff --git a/utils/cond_loader.go b/utils/cond_loader.go
index 18e3be116..e03cba8d3 100644
--- a/utils/cond_loader.go
+++ b/utils/cond_loader.go
@@ -15,6 +15,7 @@ Available operators:
 - *gte: greater or equal than
 - *lt: less then
 - *lte: less or equal than
+- *exp: expired
 - *or: logical or
 - *and: logical and
 - *has: logical has