diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index 0261e5b..d05f4c1 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
bool primary, uint16_t num_handles);
bool gatt_db_remove_service(struct gatt_db *db, uint16_t handle);
-typedef void (*gatt_db_read_t) (uint16_t handle, bdaddr_t *bdaddr,
- void *user_data);
+typedef void (*gatt_db_read_t) (uint16_t handle, uint16_t offset,
+ bdaddr_t *bdaddr, void *user_data);
-typedef void (*gatt_db_write_t) (uint16_t handle, const uint8_t *value,
- size_t len, bdaddr_t *bdaddr,
- void *user_data);
+typedef void (*gatt_db_write_t) (uint16_t handle, uint16_t offset,
+ const uint8_t *value, size_t len,
+ bdaddr_t *bdaddr, void *user_data);
uint16_t gatt_db_add_characteristic(struct gatt_db *db, uint16_t handle,
const bt_uuid_t *uuid,