diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index dff463b..438838f 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3707,10 +3707,14 @@ void
 mdb_env_close(MDB_env *env)
 {
 	MDB_page *dp;
+	int i;
 
 	if (env == NULL)
 		return;
 
+	for (i = env->me_numdbs; --i > MAIN_DBI; )
+		free(env->me_dbxs[i].md_name.mv_data);
+
 	VGMEMP_DESTROY(env);
 	while ((dp = env->me_dpages) != NULL) {
 		VGMEMP_DEFINED(&dp->mp_next, sizeof(dp->mp_next));