diff --git a/variants/lilygo_t3s3_sx1276/LilygoT3S3SX1276Board.h b/variants/lilygo_t3s3_sx1276/LilygoT3S3SX1276Board.h
new file mode 100644
index 00000000..7da620fd
--- /dev/null
+++ b/variants/lilygo_t3s3_sx1276/LilygoT3S3SX1276Board.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <helpers/ESP32Board.h>
+
+class LilygoT3S3SX1276Board : public ESP32Board {
+public:
+  uint32_t getIRQGpio() override {
+    return P_LORA_DIO_0; // default for SX1276
+  }
+};
\ No newline at end of file
diff --git a/variants/lilygo_t3s3_sx1276/target.cpp b/variants/lilygo_t3s3_sx1276/target.cpp
index 020ef54a..770db4a7 100644
--- a/variants/lilygo_t3s3_sx1276/target.cpp
+++ b/variants/lilygo_t3s3_sx1276/target.cpp
@@ -1,7 +1,7 @@
 #include <Arduino.h>
 #include "target.h"
 
-ESP32Board board;
+LilygoT3S3SX1276Board board;
 
 #if defined(P_LORA_SCLK)
   static SPIClass spi;
diff --git a/variants/lilygo_t3s3_sx1276/target.h b/variants/lilygo_t3s3_sx1276/target.h
index 460b7ac1..c5fbff62 100644
--- a/variants/lilygo_t3s3_sx1276/target.h
+++ b/variants/lilygo_t3s3_sx1276/target.h
@@ -3,7 +3,7 @@
 #define RADIOLIB_STATIC_ONLY 1
 #include <RadioLib.h>
 #include <helpers/radiolib/RadioLibWrappers.h>
-#include <helpers/ESP32Board.h>
+#include <LilygoT3S3SX1276Board.h>
 #include <helpers/radiolib/CustomSX1276Wrapper.h>
 #include <helpers/AutoDiscoverRTCClock.h>
 #include <helpers/SensorManager.h>
@@ -12,7 +12,7 @@
   #include <helpers/ui/MomentaryButton.h>
 #endif
 
-extern ESP32Board board;
+extern LilygoT3S3SX1276Board board;
 extern WRAPPER_CLASS radio_driver;
 extern AutoDiscoverRTCClock rtc_clock;
 extern SensorManager sensors;