diff --git a/bin/sim_job b/bin/sim_job
index 33fefc40ef8a234f18cea2d812e0cdb6ff15e457..e89dc386ebeb6a8b73d793c500cfee992f7bf2b8 100755
--- a/bin/sim_job
+++ b/bin/sim_job
@@ -231,7 +231,7 @@ def fetch_customers(cids)
 			CUSTOMER_REPO.find(id).catch_only(CustomerRepo::NotFound) { nil }
 		}
 	).then do |customers|
-		Hash[customers.map { |c| [c.customer_id, JobCustomer.new(c)] }]
+		Hash[customers.compact.map { |c| [c.customer_id, JobCustomer.new(c)] }]
 	end
 end