diff --git a/include/zephyr/bluetooth/audio/bap.h b/include/zephyr/bluetooth/audio/bap.h
index 1436f38494e..77c63ba598b 100644
--- a/include/zephyr/bluetooth/audio/bap.h
+++ b/include/zephyr/bluetooth/audio/bap.h
@@ -406,7 +406,9 @@ struct bt_bap_scan_delegator_cb {
 	 *                           requested for the sync.
 	 * @param[in]  bis_sync_req  Array of bitfields of which BIS indexes
 	 *                           that is requested to sync for each subgroup
-	 *                           by the Broadcast Assistant.
+	 *                           by the Broadcast Assistant. A value of 0
+	 *                           indicates a request to terminate the BIG
+	 *                           sync.
 	 *
 	 * @return 0 in case of accept, or other value to reject.
 	 */
diff --git a/subsys/bluetooth/audio/bap_scan_delegator.c b/subsys/bluetooth/audio/bap_scan_delegator.c
index 19d33997453..f23c438099d 100644
--- a/subsys/bluetooth/audio/bap_scan_delegator.c
+++ b/subsys/bluetooth/audio/bap_scan_delegator.c
@@ -830,6 +830,7 @@ static int scan_delegator_rem_src(struct bt_conn *conn,
 {
 	struct bass_recv_state_internal *internal_state;
 	struct bt_bap_scan_delegator_recv_state *state;
+	bool bis_sync_was_requested;
 	uint8_t src_id;
 
 	/* subtract 1 as the opcode has already been pulled */
@@ -862,6 +863,14 @@ static int scan_delegator_rem_src(struct bt_conn *conn,
 		}
 	}
 
+	bis_sync_was_requested = false;
+	for (uint8_t i = 0U; i < state->num_subgroups; i++) {
+		if (internal_state->requested_bis_sync[i] != 0U) {
+			bis_sync_was_requested = true;
+			break;
+		}
+	}
+
 	LOG_DBG("Index %u: Removed source with ID 0x%02x",
 		internal_state->index, src_id);
 
@@ -873,6 +882,9 @@ static int scan_delegator_rem_src(struct bt_conn *conn,
 	(void)memset(internal_state->requested_bis_sync, 0,
 		     sizeof(internal_state->requested_bis_sync));
 
+	if (bis_sync_was_requested) {
+		bis_sync_request_updated(conn, internal_state);
+	}
 	receive_state_updated(conn, internal_state);
 
 	return 0;