diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 3a53220..f181fd1 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -214,6 +214,9 @@
 	bts->si_common.neigh_list.data = bts->si_common.data.neigh_list;
 	bts->si_common.neigh_list.data_len =
 				sizeof(bts->si_common.data.neigh_list);
+	bts->si_common.si5_neigh_list.data = bts->si_common.data.si5_neigh_list;
+	bts->si_common.si5_neigh_list.data_len =
+				sizeof(bts->si_common.data.si5_neigh_list);
 	bts->si_common.cell_alloc.data = bts->si_common.data.cell_alloc;
 	bts->si_common.cell_alloc.data_len =
 				sizeof(bts->si_common.data.cell_alloc);