diff --git a/include/emulator.h b/include/emulator.h
index 99095eeb..12477f04 100644
--- a/include/emulator.h
+++ b/include/emulator.h
@@ -33,6 +33,7 @@ struct ofono_emulator_request;
 
 enum ofono_emulator_type {
 	OFONO_EMULATOR_TYPE_DUN,
+	OFONO_EMULATOR_TYPE_HFP,
 };
 
 enum ofono_emulator_request_type {