diff --git a/enspara/util/load.py b/enspara/util/load.py
index 977e2b6b4..80e19026e 100644
--- a/enspara/util/load.py
+++ b/enspara/util/load.py
@@ -10,8 +10,6 @@
 import numpy as np
 import mdtraj as md
 
-# from sklearn.externals.joblib import Parallel, delayed
-
 from .. import exception
 
 logger = logging.getLogger(__name__)
@@ -116,11 +114,13 @@ def load_as_concatenated(filenames, lengths=None, processes=None,
         logger.debug("Sounding %s trajectories with %s processes.",
                      len(filenames), processes)
         with mp.Pool(processes=processes) as pool:
-            lengths = pool.starmap(
+            proc = pool.starmap_async(
                 sound_trajectory,
                 [(f, kw.get('stride', 1)) for f, kw
                  in zip(filenames, args) if 'frame' not in kw])
 
+        shapes = proc.get()
+
         # trjs with frame are always length 1, add that to lengths now
         for i, kw in enumerate(args):
             if 'frame' in kw: