diff --git a/esp3d/configuration.h b/esp3d/configuration.h
index 8f63b146..0b65047f 100644
--- a/esp3d/configuration.h
+++ b/esp3d/configuration.h
@@ -154,7 +154,7 @@
 //ESP_SPIFFS_FILESYSTEM       0
 //ESP_FAT_FILESYSTEM          1
 //ESP_LITTLEFS_FILESYSTEM     2
-#define FILESYSTEM_FEATURE ESP_LITTLEFS_FILESYSTEM
+#define FILESYSTEM_FEATURE ESP_SPIFFS_FILESYSTEM
 
 //Allows to mount /FS and /SD under / for FTP server
 //#define GLOBAL_FILESYSTEM_FEATURE
diff --git a/platformio.ini b/platformio.ini
index 2f64e3e5..673ec813 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -26,10 +26,10 @@ monitor_speed = 115200
 monitor_flags = --echo
 monitor_filters = send_on_enter, colorize, esp32_exception_decoder
 ; set frequency to 240MHz
-board_build.f_cpu = 240000000L
+;board_build.f_cpu = 240000000L
 ; set frequency to 80MHz
-board_build.f_flash = 80000000L
-board_build.flash_mode = qio
+;board_build.f_flash = 80000000L
+;board_build.flash_mode = qio
 ; None
 build_flags =   -DCORE_DEBUG_LEVEL=0
 board_build.partitions = min_spiffs.csv