diff --git a/src/dhcpv4.c b/src/dhcpv4.c
index c1efe5cd3f6fb3e5a695bcefa3b7a8f4388e85e1..ea8498bafc3eff7934c70e0b1bd475525f2f9c62 100644
--- a/src/dhcpv4.c
+++ b/src/dhcpv4.c
@@ -3543,7 +3543,7 @@ DMOBJ tDHCPv4ServerPoolClientObj[] = {
 DMLEAF tDHCPv4ServerPoolClientParams[] = {
 /* PARAM, permission, type, getvalue, setvalue, bbfdm_type, version*/
 {"Alias", &DMWRITE, DMT_STRING,  get_DHCPv4ServerPoolClient_Alias, set_DHCPv4ServerPoolClient_Alias, BBFDM_BOTH, DM_FLAG_UNIQUE},
-{"Chaddr", &DMREAD, DMT_STRING,  get_DHCPv4ServerPoolClient_Chaddr, NULL, BBFDM_BOTH, DM_FLAG_UNIQUE},
+{"Chaddr", &DMREAD, DMT_STRING,  get_DHCPv4ServerPoolClient_Chaddr, NULL, BBFDM_BOTH, DM_FLAG_UNIQUE|DM_FLAG_LINKER},
 {"Active", &DMREAD, DMT_BOOL,  get_DHCPv4ServerPoolClient_Active, NULL, BBFDM_BOTH},
 {"IPv4AddressNumberOfEntries", &DMREAD, DMT_UNINT, get_DHCPv4ServerPoolClient_IPv4AddressNumberOfEntries, NULL, BBFDM_BOTH},
 {"OptionNumberOfEntries", &DMREAD, DMT_UNINT, get_DHCPv4ServerPoolClient_OptionNumberOfEntries, NULL, BBFDM_BOTH},