diff --git a/Defs.h b/Defs.h
index 5978de5..8e59f49 100644
--- a/Defs.h
+++ b/Defs.h
@@ -24,6 +24,7 @@
 
 const std::string DEXTRA_HOSTS_FILE_NAME("DExtra_Hosts.txt");
 const std::string DCS_HOSTS_FILE_NAME("DCS_Hosts.txt");
+const std::string DPLUS_HOSTS_FILE_NAME("DPlus_Hosts.txt");
 
 enum RECONNECT {
 	RECONNECT_NEVER,