diff --git a/src/BuildOpt.h b/src/BuildOpt.h
index f14078ca..17c69cbc 100644
--- a/src/BuildOpt.h
+++ b/src/BuildOpt.h
@@ -140,7 +140,7 @@
     #define RADIOLIB_PIN_MODE                           uint32_t
     #define RADIOLIB_PIN_STATUS                         uint32_t
     #define RADIOLIB_INTERRUPT_STATUS                   RADIOLIB_PIN_STATUS
-    #define RADIOLIB_DIGITAL_PIN_TO_INTERRUPT(p)        digitalPinToInterrupt(digitalPinToPinName(p))
+    #define RADIOLIB_DIGITAL_PIN_TO_INTERRUPT(p)        digitalPinToInterrupt(p)
     #define RADIOLIB_NC                                 (0xFFFFFFFF)
     #define RADIOLIB_DEFAULT_SPI                        SPI
     #define RADIOLIB_PROGMEM                            PROGMEM