diff --git a/libraries/libldap/dnssrv.c b/libraries/libldap/dnssrv.c
index 637cd61299..1bf7eb6426 100644
--- a/libraries/libldap/dnssrv.c
+++ b/libraries/libldap/dnssrv.c
@@ -69,7 +69,7 @@ int ldap_dn2domain(
 				(ava->la_flags & LDAP_AVA_STRING) &&
 				ava->la_value.bv_len &&
 				( ber_bvstrcasecmp( &ava->la_attr, &DC ) == 0
-				|| ber_bvstrcasecmp( &ava->la_attr, &DCOID ) == 0 ) )
+				|| ber_bvcmp( &ava->la_attr, &DCOID ) == 0 ) )
 			{
 				if( domain.bv_len == 0 ) {
 					ndomain = LDAP_REALLOC( domain.bv_val,