diff --git a/sys/nfsclient/bootp_subr.c b/sys/nfsclient/bootp_subr.c
index bdd51ee2e053..124b09f58608 100644
--- a/sys/nfsclient/bootp_subr.c
+++ b/sys/nfsclient/bootp_subr.c
@@ -205,6 +205,8 @@ struct bootpc_globalcontext {
 #define TAG_DHCP_SERVERID 54
 #define TAG_DHCP_LEASETIME 51
 
+#define TAG_VENDOR_INDENTIFIER 60
+
 #define DHCP_NOMSG    0
 #define DHCP_DISCOVER 1
 #define DHCP_OFFER    2
@@ -1309,7 +1311,9 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
     struct bootpc_globalcontext *gctx, struct thread *td)
 {
 	unsigned char *vendp;
+	unsigned char vendor_client[64];
 	uint32_t leasetime;
+	uint8_t vendor_client_len;
 
 	ifctx->gotrootpath = 0;
 
@@ -1334,6 +1338,14 @@ bootpc_compose_query(struct bootpc_ifcontext *ifctx,
 	*vendp++ = 2;
 	*vendp++ = (sizeof(struct bootp_packet) >> 8) & 255;
 	*vendp++ = sizeof(struct bootp_packet) & 255;
+
+	snprintf(vendor_client, sizeof(vendor_client), "%s:%s:%s",
+		ostype, MACHINE, osrelease);
+	vendor_client_len = strlen(vendor_client);
+	*vendp++ = TAG_VENDOR_INDENTIFIER;
+	*vendp++ = vendor_client_len;
+	memcpy(vendp, vendor_client, vendor_client_len);
+	vendp += vendor_client_len;;
 	ifctx->dhcpquerytype = DHCP_NOMSG;
 	switch (ifctx->state) {
 	case IF_DHCP_UNRESOLVED: