diff --git a/download_data.sh b/download_data.sh
index c26b8fd..d75a334 100755
--- a/download_data.sh
+++ b/download_data.sh
@@ -4,13 +4,16 @@ if [type wget > /dev/null]; then
   wget http://data.csail.mit.edu/places/medical/data/ddsm_labels.tar.gz
   wget http://data.csail.mit.edu/places/medical/data/ddsm_raw.tar.gz
   wget http://data.csail.mit.edu/places/medical/data/ddsm_raw_image_lists.tar.gz
+  wget http://data.csail.mit.edu/places/medical/data/ddsm_masks.tar.gz
 else
   curl -O http://data.csail.mit.edu/places/medical/data/ddsm_patches.tar.gz
   curl -O http://data.csail.mit.edu/places/medical/data/ddsm_labels.tar.gz
   curl -O http://data.csail.mit.edu/places/medical/data/ddsm_raw.tar.gz
   curl -O http://data.csail.mit.edu/places/medical/data/ddsm_raw_image_lists.tar.gz
+  curl -O http://data.csail.mit.edu/places/medical/data/ddsm_masks.tar.gz
 fi
 tar -xf ddsm_patches.tar.gz
 tar -xf ddsm_labels.tar.gz
 tar -xf ddsm_raw.tar.gz
 tar -xf ddsm_raw_image_lists.tar.gz
+tar -xf ddsm_masks.tar.gz