diff --git a/src/helpers/ESP32Board.h b/src/helpers/ESP32Board.h
index 73c58e2f..a4cbf2a9 100644
--- a/src/helpers/ESP32Board.h
+++ b/src/helpers/ESP32Board.h
@@ -62,7 +62,7 @@ public:
     return raw / 4;
   }
 
-  uint32_t getIRQGpio() {
+  uint32_t getIRQGpio() override {
     return P_LORA_DIO_1; // default for SX1262
   }