diff --git a/blockfinder b/blockfinder
index e64c977..e498e8c 100755
--- a/blockfinder
+++ b/blockfinder
@@ -507,7 +507,7 @@ class DownloaderParser:
             entry = False
             num_type = ""
             for line in lir_file:
-                line = line.decode('utf-8', errors='ignore').replace("\n", "")
+                line = line.decode('utf-8', 'ignore').replace("\n", "")
                 if line == "":
                     entry = False
                     start_num, end_num, country_code, num_type = 0, 0, "", ""
diff --git a/blockfindertest.py b/blockfindertest.py
index edd365d..03c7fe3 100644
--- a/blockfindertest.py
+++ b/blockfindertest.py
@@ -2,6 +2,7 @@
 import unittest
 import os
 import shutil
+import sys
 import tempfile
 
 import blockfinder
@@ -84,8 +85,11 @@ def test_ipv6_bf(self):
 
 
 if __name__ == '__main__':
+    failures = 0
     for test_class in [CheckReverseLookup, CheckBlockFinder]:
         test_suite = unittest.makeSuite(test_class)
         test_runner = unittest.TextTestRunner(verbosity=2)
-        test_runner.run(test_suite)
-
+        results = test_runner.run(test_suite)
+        failures += len(results.errors)
+        failures += len(results.failures)
+    sys.exit(failures)