diff --git a/README.rst b/README.rst
index e8d7ef8..96f6882 100644
--- a/README.rst
+++ b/README.rst
@@ -106,6 +106,16 @@ You can also enclose code with the ``with`` statement to launch ipdb if an excep
    Adding a context manager implies dropping Python 2.4 support.
    Use ``ipdb==0.6`` with 2.4.
 
+Or you can use ``iex`` as a function decorator to launch ipdb if an exception is raised:
+
+.. code-block:: python
+
+        from ipdb import iex
+
+        @iex
+        def main():
+            [...]
+
 .. warning::
    Using ``from future import print_function`` for Python 3 compat implies dropping Python 2.5 support.
    Use ``ipdb<=0.8`` with 2.5.
diff --git a/tests/test_import.py b/tests/test_import.py
index 5094792..7178d63 100644
--- a/tests/test_import.py
+++ b/tests/test_import.py
@@ -10,10 +10,11 @@
 class ImportTest(unittest.TestCase):
 
     def test_import(self):
-        from ipdb import set_trace, post_mortem, pm, run, runcall, runeval
+        from ipdb import set_trace, post_mortem, pm, iex, run, runcall, runeval
         set_trace  # please pyflakes
         post_mortem  # please pyflakes
         pm  # please pyflakes
+        iex # please pyflakes
         run  # please pyflakes
         runcall  # please pyflakes
         runeval  # please pyflakes