diff --git a/core/data.py b/core/data.py
index 08b46de..3c0d8e0 100644
--- a/core/data.py
+++ b/core/data.py
@@ -41,6 +41,7 @@ def download_shapenetpart():
         www = 'https://shapenet.cs.stanford.edu/media/shapenet_part_seg_hdf5_data.zip'
         zipfile = os.path.basename(www)
         os.system('wget %s --no-check-certificate; unzip %s' % (www, zipfile))
+        os.mkdir(os.path.join(DATA_DIR, 'shapenet_part_seg_hdf5_data'))
         os.system('mv %s %s' % (zipfile[:-4], os.path.join(DATA_DIR, 'shapenet_part_seg_hdf5_data')))
         os.system('rm %s' % (zipfile))