diff --git a/keywords.txt b/keywords.txt
index 7a8a225..94e5831 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -38,6 +38,7 @@ IVTHeatpumpIR	KEYWORD1
 HitachiHeatpumpIR	KEYWORD1
 BalluHeatpumpIR	KEYWORD1
 AUXHeatpumpIR	KEYWORD1
+ZHLT01HeatpumpIR	KEYWORD1
 
 IRSender	KEYWORD1
 IRSenderPWM	KEYWORD1