diff --git a/esp32/platformio.ini b/esp32/platformio.ini
index ce9f4fa..3ff62e1 100644
--- a/esp32/platformio.ini
+++ b/esp32/platformio.ini
@@ -52,6 +52,7 @@ lib_deps =
 	; plageoj/UrlEncode@ ^1.0.1
 ; board_build.partitions = config/no_oat.csv
 extra_scripts = 
+	pre:scripts/pre_build.py
     pre:scripts/build_app.py
     pre:scripts/generate_cert_bundle.py
     scripts/rename_fw.py
diff --git a/esp32/scripts/pre_build.py b/esp32/scripts/pre_build.py
new file mode 100644
index 0000000..026abc2
--- /dev/null
+++ b/esp32/scripts/pre_build.py
@@ -0,0 +1,7 @@
+from pathlib import Path
+
+Import("env")
+
+filesystem_dir = env["PROJECT_DIR"] + "/data"
+
+Path(filesystem_dir).mkdir(exist_ok=True)
\ No newline at end of file