diff --git a/utility/interrupt_pins.h b/utility/interrupt_pins.h
index 097b57b..c15ffbd 100644
--- a/utility/interrupt_pins.h
+++ b/utility/interrupt_pins.h
@@ -32,7 +32,7 @@
   #endif
 
 // Arduino Uno, Duemilanove, Diecimila, LilyPad, Mini, Fio, etc...
-#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328PB__) ||defined(__AVR_ATmega168__) || defined(__AVR_ATmega8__)
+#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328PB__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega8__)
   #define CORE_NUM_INTERRUPT	2
   #define CORE_INT0_PIN		2
   #define CORE_INT1_PIN		3