diff --git a/07_gpio_interrupts/main/main.c b/07_gpio_interrupts/main/main.c
index fde1ce0..1f1251f 100644
--- a/07_gpio_interrupts/main/main.c
+++ b/07_gpio_interrupts/main/main.c
@@ -7,6 +7,9 @@
 
 #define ESP_INTR_FLAG_DEFAULT 0
 
+#define CONFIG_LED_PIN    12
+#define CONFIG_BUTTON_PIN 0
+
 SemaphoreHandle_t xSemaphore = NULL;
 bool led_status = false;