diff --git a/src/capwap/capwap.h b/src/capwap/capwap.h
index 16f018d6..0332e08e 100644
--- a/src/capwap/capwap.h
+++ b/src/capwap/capwap.h
@@ -341,6 +341,7 @@ void cwread_discovery_response(struct ac_info * acinfo, uint8_t * msg, int len);
 extern int cwsend_echo_response(struct conn * conn,int seqnum,struct radioinfo * radioinfo); //,struct wtpinfo * wtpinfo
 
 extern const char * cw_msgelemtostr(int elem);
+extern const char * cw_ianavendoridtostr(int id);
 extern int hdr_print(char *str, uint8_t *packet, int len);