diff --git a/RFM69.h b/RFM69.h
index d90cab4..e27a7b6 100644
--- a/RFM69.h
+++ b/RFM69.h
@@ -45,6 +45,9 @@
 #elif defined(__AVR_ATmega32U4__)
   #define RF69_IRQ_PIN          3
   #define RF69_IRQ_NUM          0
+#elif defined(__arm__)
+  #define RF69_IRQ_PIN          10
+  #define RF69_IRQ_NUM          10
 #else 
   #define RF69_IRQ_PIN          2
   #define RF69_IRQ_NUM          0  
@@ -150,4 +153,4 @@ class RFM69 {
     virtual void unselect();
 };
 
-#endif
\ No newline at end of file
+#endif