diff --git a/keywords.txt b/keywords.txt
index 11951d6..15fa12a 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -160,6 +160,7 @@ MY_RFM69_MAX_POWER_LEVEL_DBM	LITERAL1
 MY_RFM69_NETWORKID	LITERAL1
 MY_RFM69_RST_PIN	LITERAL1
 MY_RFM69_IRQ_PIN	LITERAL1
+MY_RFM69_IRQ_NUM	LITERAL1
 MY_RFM69_CS_PIN	LITERAL1
 MY_RFM69_ENABLE_ENCRYPTION	LITERAL1
 MY_RFM69_ENABLE_LISTENMODE	LITERAL1