diff --git a/rllab/sampler/stateful_pool.py b/rllab/sampler/stateful_pool.py
index beba84cf4..1ccbcf985 100644
--- a/rllab/sampler/stateful_pool.py
+++ b/rllab/sampler/stateful_pool.py
@@ -1,6 +1,6 @@
 
 
-from joblib.pool import MemmapingPool
+from joblib.pool import MemmappingPool
 import multiprocessing as mp
 from rllab.misc import logger
 import pyprind