diff --git a/upnphttp.h b/upnphttp.h
index f6ac09c..1b1b331 100644
--- a/upnphttp.h
+++ b/upnphttp.h
@@ -14,7 +14,7 @@
 #include "config.h"
 
 /* server: HTTP header returned in all HTTP responses : */
-#define MINIDLNA_SERVER_STRING	OS_VERSION " UPnP/1.0 MiniDLNA/1.0"
+#define MINIDLNA_SERVER_STRING	OS_VERSION " DLNADOC/1.50 UPnP/1.0 MiniDLNA/1.0"
 
 /*
  states :