diff --git a/include/dbus.h b/include/dbus.h
index cf68ae5f..a6519c7c 100644
--- a/include/dbus.h
+++ b/include/dbus.h
@@ -61,6 +61,7 @@ extern "C" {
 #define OFONO_HANDSFREE_INTERFACE OFONO_SERVICE ".Handsfree"
 #define OFONO_SIRI_INTERFACE OFONO_SERVICE ".Siri"
 #define OFONO_NETMON_INTERFACE OFONO_SERVICE ".NetworkMonitor"
+#define OFONO_NETMON_AGENT_INTERFACE OFONO_SERVICE ".NetworkMonitorAgent"
 #define OFONO_LTE_INTERFACE OFONO_SERVICE ".LongTermEvolution"
 
 /* CDMA Interfaces */