diff --git a/libraries/MySensors/MyConfig.h b/libraries/MySensors/MyConfig.h
index 88db782..a339c52 100644
--- a/libraries/MySensors/MyConfig.h
+++ b/libraries/MySensors/MyConfig.h
@@ -144,6 +144,4 @@
 #define RFM69_ENCRYPTKEY    "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
 
 
-
-
 #endif
diff --git a/libraries/MySensors/utility/RFM69.h b/libraries/MySensors/utility/RFM69.h
index 23eb044..452a2ae 100644
--- a/libraries/MySensors/utility/RFM69.h
+++ b/libraries/MySensors/utility/RFM69.h
@@ -36,13 +36,19 @@
 #define RF69_MAX_DATA_LEN         61 // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead)
 #define RF69_SPI_CS               SS // SS is the SPI slave select pin, for instance D10 on atmega328
 
-// INT0 on AVRs should be connected to RFM69's DIO0 (ex on Atmega328 it's D2, on Atmega644/1284 it's D2)
-#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega32U4__)
+// INT0 on AVRs should be connected to RFM69's DIO0 (ex on ATmega328 it's D2, on ATmega644/1284 it's D2)
+#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
   #define RF69_IRQ_PIN          2
   #define RF69_IRQ_NUM          0
 #elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)
   #define RF69_IRQ_PIN          2
   #define RF69_IRQ_NUM          2
+#elif defined(__AVR_ATmega32U4__)
+  #define RF69_IRQ_PIN          3
+  #define RF69_IRQ_NUM          0
+#else
+  #define RF69_IRQ_PIN          2
+  #define RF69_IRQ_NUM          0
 #endif
 
 #define CSMA_LIMIT          -90 // upper RX signal sensitivity threshold in dBm for carrier sense access