diff --git a/components/bt/include/esp32/include/esp_bt.h b/components/bt/include/esp32/include/esp_bt.h
index bdb7ed325e..8db30088b6 100644
--- a/components/bt/include/esp32/include/esp_bt.h
+++ b/components/bt/include/esp32/include/esp_bt.h
@@ -76,7 +76,7 @@ enum {
     ESP_BLE_SCA_50PPM,            /*!< BLE SCA at 50 ppm */
     ESP_BLE_SCA_30PPM,            /*!< BLE SCA at 30 ppm */
     ESP_BLE_SCA_20PPM,            /*!< BLE SCA at 20 ppm */
-};
+} esp_ble_sca_t;
 
 #ifdef CONFIG_BT_ENABLED
 /* While scanning, if the free memory value in controller is less than SCAN_SEND_ADV_RESERVED_SIZE,