diff --git a/src/capwap/cw_ianavendoridtostr.c b/src/capwap/cw_ianavendoridtostr.c
index 9e0b4609..de3b0445 100644
--- a/src/capwap/cw_ianavendoridtostr.c
+++ b/src/capwap/cw_ianavendoridtostr.c
@@ -6,6 +6,8 @@ const char * cw_ianavendoridtostr(int id){
 	switch(id){
 		case 890:
 			return "ZyXEL Communications Corp.";
+		case 11591:
+			return "Free Software Foundation";
 		default:
 			return "Unknown";
 	}