diff --git a/baselines/ppo2/ppo2.py b/baselines/ppo2/ppo2.py
index d307e9bc86..b7971cbe96 100644
--- a/baselines/ppo2/ppo2.py
+++ b/baselines/ppo2/ppo2.py
@@ -4,7 +4,8 @@
 import os.path as osp
 from baselines import logger
 from collections import deque
-from baselines.common import explained_variance, set_global_seeds
+from baselines.common.math_util import explained_variance
+from baselines.common.misc_util import set_global_seeds
 from baselines.common.policies import build_policy
 try:
     from mpi4py import MPI