diff --git a/src/hasp_config.cpp b/src/hasp_config.cpp
index 4bdb7c80..75ac0bb5 100644
--- a/src/hasp_config.cpp
+++ b/src/hasp_config.cpp
@@ -265,7 +265,6 @@ DeserializationError configParseFile(String& configFile, JsonDocument& settings)
     }
     return DeserializationError::InvalidInput;
 #elif HASP_TARGET_PC
-    lv_fs_if_init();
     lv_fs_file_t f;
     lv_fs_res_t res;
     lv_fs_open(&f, "L:/config.json", LV_FS_MODE_RD);
diff --git a/src/hasp_gui.cpp b/src/hasp_gui.cpp
index 9fd55c9b..13caf317 100644
--- a/src/hasp_gui.cpp
+++ b/src/hasp_gui.cpp
@@ -208,6 +208,7 @@ static inline void gui_init_filesystems()
 {
 #if LV_USE_FS_IF != 0
     LOG_VERBOSE(TAG_LVGL, F("Filesystem : " D_SETTING_ENABLED));
+    lv_fs_if_init(); // auxiliary file system drivers
 #else
     LOG_VERBOSE(TAG_LVGL, F("Filesystem : " D_SETTING_DISABLED));
 #endif
diff --git a/src/main.cpp b/src/main.cpp
index 68a51af3..b065909c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -48,6 +48,11 @@ void setup()
     // Initialize lvgl environment
     lv_init();
     lv_log_register_print_cb(debugLvglLogEvent);
+#if HASP_USE_CONFIG
+    // initialize FS before running configSetup()
+    // normally, it's initialized in guiSetup(), but Arduino doesn't need FS in configSetup()
+    lv_fs_if_init();
+#endif
 #endif
 
     haspDevice.init();