--- cyrusdb_berkeley.c-old	2007-07-09 03:07:42.000000000 +0200
+++ cyrusdb_berkeley.c	2007-07-09 03:08:58.000000000 +0200
@@ -171,7 +171,15 @@
 	syslog(LOG_WARNING,
 	       "DBERROR: invalid berkeley_txns_max value, using internal default");
     } else {
+    #if DB_VERSION_MAJOR >= 4
+	r = dbenv->set_tx_max_locks(dbenv, opt);
+	if (!r) {
+	    r = dbenv->set_tx_max_lockers(dbenv, opt);
+	if (!r) {
+	    r = dbenv->set_tx_max_objects(dbenv, opt);
+    #else
 	r = dbenv->set_tx_max(dbenv, opt);
+    #endif
 	if (r) {
 	    dbenv->err(dbenv, r, "set_tx_max");
 	    syslog(LOG_ERR, "DBERROR: set_tx_max(): %s", db_strerror(r));