diff --git a/main/tools/gpio_policy.h b/main/tools/gpio_policy.h
index 1b70674..dc7d690 100644
--- a/main/tools/gpio_policy.h
+++ b/main/tools/gpio_policy.h
@@ -3,10 +3,10 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-/* GPIO pin range defaults for ESP32-S3 (safe user-accessible pins) */
+/* GPIO defaults for ESP32-S3-LCD-1.47B safe user-accessible pins */
 #define MIMI_GPIO_MIN_PIN       1
 #define MIMI_GPIO_MAX_PIN       21
-#define MIMI_GPIO_ALLOWED_CSV   ""   /* empty = use min/max range */
+#define MIMI_GPIO_ALLOWED_CSV   "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,21,38,46"
 
 /**
  * Check if a pin is allowed for user GPIO operations.