diff --git a/tests/common.py b/tests/common.py
index 11dd235..ddeb867 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -20,7 +20,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 import yaml
diff --git a/tests/test_cli.py b/tests/test_cli.py
index bec7078..e903d57 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -27,7 +27,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 from yamllint import cli
diff --git a/tests/test_config.py b/tests/test_config.py
index a23da10..7e719b1 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -24,7 +24,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 from yamllint import cli
diff --git a/tests/test_linter.py b/tests/test_linter.py
index edd803f..6c7ae62 100644
--- a/tests/test_linter.py
+++ b/tests/test_linter.py
@@ -19,7 +19,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 from yamllint.config import YamlLintConfig
diff --git a/tests/test_module.py b/tests/test_module.py
index 678f40c..e7c78b3 100644
--- a/tests/test_module.py
+++ b/tests/test_module.py
@@ -22,7 +22,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 
diff --git a/tests/test_parser.py b/tests/test_parser.py
index c5c51d8..7ed1f98 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -18,7 +18,7 @@ import sys
 try:
     assert sys.version_info >= (2, 7)
     import unittest
-except:
+except AssertionError:
     import unittest2 as unittest
 
 import yaml