diff --git a/rllab/sampler/stateful_pool.py b/rllab/sampler/stateful_pool.py
index beba84cf4..2c48a8d87 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
@@ -56,7 +56,7 @@ def initialize(self, n_parallel):
         if n_parallel > 1:
             self.queue = mp.Queue()
             self.worker_queue = mp.Queue()
-            self.pool = MemmapingPool(
+            self.pool = MemmappingPool(
                 self.n_parallel,
                 temp_folder="/tmp",
             )