diff --git a/tests/rules/test_apt_get.py b/tests/rules/test_apt_get.py
index 2f2520fc..81ae5e0d 100644
--- a/tests/rules/test_apt_get.py
+++ b/tests/rules/test_apt_get.py
@@ -39,6 +39,17 @@ def test_not_match(command):
     assert not match(command)
 
 
+@pytest.mark.parametrize('command, return_value', [
+    (Command(script='a_bad_cmd', stderr='a_bad_cmd: command not found'), []),
+    (Command(script='vim', stderr=''), []), (Command(), [])])
+@patch('thefuck.rules.apt_get.CommandNotFound', create=True)
+@patch.multiple(apt_get, create=True, apt_get='apt_get')
+def test_not_match_mocked(cmdnf_mock, command, return_value):
+    get_packages = Mock(return_value=return_value)
+    cmdnf_mock.CommandNotFound.return_value = Mock(getPackages=get_packages)
+    assert not match(command)
+
+
 # python-commandnotfound is available in ubuntu 14.04+
 @pytest.mark.skipif(not getattr(apt_get, 'enabled_by_default', True),
                     reason='Skip if python-commandnotfound is not available')