diff --git a/examples/cinc17/build_datasets.py b/examples/cinc17/build_datasets.py
index f889c6c7..0a0272c0 100644
--- a/examples/cinc17/build_datasets.py
+++ b/examples/cinc17/build_datasets.py
@@ -20,7 +20,7 @@ def load_all(data_path):
         ecg_file = os.path.join(data_path, record + ".mat")
         ecg_file = os.path.abspath(ecg_file)
         ecg = load_ecg_mat(ecg_file)
-        num_labels = ecg.shape[0] / STEP
+        num_labels = ecg.shape[0] // STEP
         dataset.append((ecg_file, [label]*num_labels))
     return dataset 
 
diff --git a/examples/cinc17/setup.sh b/examples/cinc17/setup.sh
index 7d2fd311..b678f0a5 100755
--- a/examples/cinc17/setup.sh
+++ b/examples/cinc17/setup.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-url=https://www.physionet.org/challenge/2017/
+url=https://archive.physionet.org/challenge/2017/
 
 mkdir data && cd data