diff --git a/platformio.ini b/platformio.ini
index c03175200..e76901e33 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -66,6 +66,7 @@ default_envs                = ${build_envs.default_envs}
 [common]
 framework                   = arduino
 board                       = esp01_1m
+board_build.filesystem      = littlefs
 board_build.flash_mode      = dout
 board_build.ldscript        = eagle.flash.1m.ld