diff --git a/include/main.h b/include/main.h
index 125e513..3ec571f 100644
--- a/include/main.h
+++ b/include/main.h
@@ -6,6 +6,7 @@
 #define PUMP_COUNT		(4)
 
 static xQueueHandle gpio_evt_queue = NULL;
+nvs_handle_t config_handle;
 
 extern uint8_t mac[6];
 
diff --git a/main/main.c b/main/main.c
index 4f79209..e7cfffd 100644
--- a/main/main.c
+++ b/main/main.c
@@ -20,8 +20,8 @@ static const char *TAG = "BARBACK";
 uint8_t mac[6];
 
 void app_main(void) {
-/*
   esp_err_t err = nvs_flash_init();
+
   if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
       ESP_ERROR_CHECK(nvs_flash_erase());
       err = nvs_flash_init();
@@ -34,7 +34,6 @@ void app_main(void) {
   } else {
     ESP_LOGI(TAG, "config_handle: %d", config_handle);
   }
-*/
 
   esp_efuse_mac_get_default((uint8_t*)&mac);