diff --git a/bin/billing_monthly_cronjob b/bin/billing_monthly_cronjob
index 9dae4b933ee314d90f2070242b6d77d4fa66de60..8068218ebcfc4c3db83a0221102e39b95eb812a5 100755
--- a/bin/billing_monthly_cronjob
+++ b/bin/billing_monthly_cronjob
@@ -140,7 +140,7 @@ class ExpiredCustomer
 		)
 
 		stats.add(:renewed, 1)
-		stats.add(:revenue, plan.price)
+		stats.add(:revenue, @plan.price)
 	end
 
 	class WithLowBalance < ExpiredCustomer