diff --git a/sysmocom/scenarios/mod-enb-cells-2ca.conf b/sysmocom/scenarios/mod-enb-cells-2ca.conf
index 47273406..c9468c60 100644
--- a/sysmocom/scenarios/mod-enb-cells-2ca.conf
+++ b/sysmocom/scenarios/mod-enb-cells-2ca.conf
@@ -6,6 +6,8 @@ modifiers:
     - cell_id: 0x00
       pci: 0x01
       dl_earfcn: 2850
+      tac: 0x0007
+      root_seq_idx: 204
       rf_port: 0
       scell_list: [0x01]
       ncell_list:
@@ -16,6 +18,8 @@ modifiers:
     - cell_id: 0x01
       pci: 0x02
       dl_earfcn: 3050
+      tac: 0x0007
+      root_seq_idx: 205
       rf_port: 1
       scell_list: [0x00]
       ncell_list: