diff --git a/esphome/components/esp32_ble_server/ble_characteristic.h b/esphome/components/esp32_ble_server/ble_characteristic.h
index 15a01c30df..486b755284 100644
--- a/esphome/components/esp32_ble_server/ble_characteristic.h
+++ b/esphome/components/esp32_ble_server/ble_characteristic.h
@@ -75,7 +75,7 @@ class BLECharacteristic : public EventEmitter<BLECharacteristicEvt::VectorEvt, s
 
  protected:
   bool write_event_{false};
-  BLEService *service_ = nullptr;
+  BLEService *service_{};
   ESPBTUUID uuid_;
   esp_gatt_char_prop_t properties_;
   uint16_t handle_{0xFFFF};