diff --git a/src/hasp_gui.h b/src/hasp_gui.h
index fdeffde1..a95e877a 100644
--- a/src/hasp_gui.h
+++ b/src/hasp_gui.h
@@ -61,9 +61,9 @@ void gui_flush_cb(lv_disp_drv_t* disp, const lv_area_t* area, lv_color_t* color_
 void gui_antiburn_cb(lv_disp_drv_t* disp, const lv_area_t* area, lv_color_t* color_p);
 
 /* ===== Locks ===== */
+#ifdef ESP32
 IRAM_ATTR bool gui_acquire(TickType_t timeout);
 IRAM_ATTR void gui_release(void);
-#ifdef ESP32
 esp_err_t gui_setup_lvgl_task(void);
 #endif