diff --git a/src/ids.rs b/src/ids.rs
index a2517000e..9227871fb 100644
--- a/src/ids.rs
+++ b/src/ids.rs
@@ -589,7 +589,7 @@ def_id!(TopupId, "tu_");
 def_id!(TransferId, "tr_");
 def_id!(TransferReversalId, "trr_");
 def_id!(UsageRecordId, "mbur_");
-def_id!(UsageRecordSummaryId, "urs_");
+def_id!(UsageRecordSummaryId, "urs_" | "sis_");
 def_id!(WebhookEndpointId, "we_");
 
 impl InvoiceId {