diff --git a/project/ble_peripheral/ble_app_bladder_patch/fstorage.c b/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
index 258e08f..0441b1d 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
+++ b/project/ble_peripheral/ble_app_bladder_patch/fstorage.c
@@ -129,7 +129,7 @@ void fds_default_value_set(void)
 	m_config.piezo_delay_us    = 10;     /* 버스트 후 10us */
 	m_config.piezo_num_samples = 100;    /* 100샘플 */
 	m_config.piezo_cycles      = 7;      /* 7사이클 */
-	m_config.piezo_averaging   = 5;      /* 5회 평균화 */
+	m_config.piezo_averaging   = 3;      /* 3회 평균화 */
 }