diff --git a/include/dbus.h b/include/dbus.h
index c527515d..12768f66 100644
--- a/include/dbus.h
+++ b/include/dbus.h
@@ -57,6 +57,7 @@ extern "C" {
 
 /* CDMA Interfaces */
 #define OFONO_CDMA_VOICECALL_MANAGER_INTERFACE "org.ofono.cdma.VoiceCallManager"
+#define OFONO_CDMA_MESSAGE_MANAGER_INTERFACE "org.ofono.cdma.MessageManager"
 
 /* Essentially a{sv} */
 #define OFONO_PROPERTIES_ARRAY_SIGNATURE DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING \