diff --git a/mdb.c b/mdb.c
index c9083ee8..fd4647ad 100644
--- a/mdb.c
+++ b/mdb.c
@@ -8967,7 +8967,7 @@ mdb_env_get_flags(MDB_env *env, unsigned *arg)
 	if (!env || !arg)
 		return EINVAL;
 
-	*arg = env->me_flags;
+	*arg = env->me_flags & (CHANGEABLE|CHANGELESS);
 	return MDB_SUCCESS;
 }