diff --git a/emulator/bthost.c b/emulator/bthost.c
index faabbaa..9f9538d 100644
--- a/emulator/bthost.c
+++ b/emulator/bthost.c
@@ -3780,6 +3780,17 @@ void bthost_create_big(struct bthost *bthost, uint8_t num_bis,
 	send_command(bthost, BT_HCI_CMD_LE_CREATE_BIG, &cp, sizeof(cp));
 }
 
+void bthost_terminate_big(struct bthost *bthost, uint8_t reason)
+{
+	struct bt_hci_cmd_le_term_big cp;
+
+	memset(&cp, 0, sizeof(cp));
+	cp.handle = 0x01;
+	cp.reason = reason;
+
+	send_command(bthost, BT_HCI_CMD_LE_TERM_BIG, &cp, sizeof(cp));
+}
+
 bool bthost_search_ext_adv_addr(struct bthost *bthost, const uint8_t *addr)
 {
 	const struct queue_entry *entry;
diff --git a/emulator/bthost.h b/emulator/bthost.h
index 4061c0b..ce6bd82 100644
--- a/emulator/bthost.h
+++ b/emulator/bthost.h
@@ -128,6 +128,7 @@ void bthost_set_pa_enable(struct bthost *bthost, uint8_t enable);
 void bthost_past_set_info(struct bthost *bthost, uint16_t handle);
 void bthost_create_big(struct bthost *bthost, uint8_t num_bis, uint8_t enc,
 				const uint8_t *bcode);
+void bthost_terminate_big(struct bthost *bthost, uint8_t reason);
 bool bthost_search_ext_adv_addr(struct bthost *bthost, const uint8_t *addr);
 
 void bthost_set_cig_params(struct bthost *bthost, uint8_t cig_id,