diff --git a/platformio.ini b/platformio.ini
index 08f0ebe..e85aa6e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -43,6 +43,7 @@ framework = arduino
 upload_speed = 921600
 monitor_speed = 115200
 board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
 lib_deps = 
 	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
 	bblanchon/ArduinoJson@^7.2.0
@@ -61,6 +62,7 @@ framework = arduino
 upload_speed = 921600
 monitor_speed = 115200
 board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
 lib_deps = 
 	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
 	RadioLib
@@ -117,6 +119,7 @@ framework = arduino
 upload_speed = 921600
 monitor_speed = 115200
 board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
 lib_deps = 
 	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
 	RadioLib
@@ -142,6 +145,7 @@ board = esp32dev
 framework = arduino
 upload_speed = 115200
 monitor_speed = 115200
+board_build.filesystem = littlefs
 lib_deps = 
 	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
 	RadioLib