diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h
index d49feddf..cfc403cd 100644
--- a/src/helpers/ESP32Board.h
+++ b/src/helpers/ESP32Board.h
@@ -50,7 +50,7 @@ public:
   }
 
   void enterLightSleep(uint32_t secs) {
-#if defined(CONFIG_IDF_TARGET_ESP32S3) // Supported ESP32 variants
+#if defined(CONFIG_IDF_TARGET_ESP32S3) && defined(P_LORA_DIO_1) // Supported ESP32 variants
     if (rtc_gpio_is_valid_gpio((gpio_num_t)P_LORA_DIO_1)) { // Only enter sleep mode if P_LORA_DIO_1 is RTC pin
       esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
       esp_sleep_enable_ext1_wakeup((1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // To wake up when receiving a LoRa packet