diff --git a/doc/changes.rst b/doc/changes.rst
index fe5a45b..5a93d59 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -17,6 +17,9 @@ next
 *   Add a special type 'HostRequest' that allow a function to ask for the host
     framework request object in its arguments.
 
+*   Pecan adapter: Debug mode (which returns the exception tracebacks to the
+    client) can be enabled by the pecan application configuration.
+
 *   New adapter: wsmeext.flask, for the Flask_ framework.
 
 .. _Flask: http://flask.pocoo.org/
diff --git a/doc/integrate.rst b/doc/integrate.rst
index 335a455..7659a40 100644
--- a/doc/integrate.rst
+++ b/doc/integrate.rst
@@ -182,6 +182,23 @@ Pecan
     `RestController <http://pecan.readthedocs.org/en/latest/rest.html>`_
     instead of the expose decorator from Pecan.
 
+Configuration
+~~~~~~~~~~~~~
+
+WSME can be configured through the application configation, by adding a 'wsme'
+configuration entry in ``config.py``:
+
+.. code-block:: python
+
+    wsme = {
+        'debug': True
+    }
+
+Valid configuration variables are :
+
+-   ``'debug'``: Wether or not to include exception tracebacks in the returned
+    server-side errors.
+
 Example
 ~~~~~~~
 
diff --git a/tests/pecantest/test/tests/test_ws.py b/tests/pecantest/test/tests/test_ws.py
index 621b672..506f0ef 100644
--- a/tests/pecantest/test/tests/test_ws.py
+++ b/tests/pecantest/test/tests/test_ws.py
@@ -1,5 +1,6 @@
 from test.tests import FunctionalTest
 import json
+import pecan
 
 
 class TestWS(FunctionalTest):
@@ -92,6 +93,16 @@ class TestWS(FunctionalTest):
         a = json.loads(res.body)
         print a
         assert a['faultcode'] == 'Server'
+        assert a['debuginfo'] is None
+
+    def test_serversideerror_with_debug(self):
+        pecan.set_config({'wsme': {'debug': True}})
+        res = self.app.get('/divide_by_zero.json', expect_errors=True)
+        self.assertEqual(res.status, '500 Internal Server Error')
+        a = json.loads(res.body)
+        print a
+        assert a['faultcode'] == 'Server'
+        assert a['debuginfo'].startswith('Traceback (most recent call last):')
 
     def test_body_parameter(self):
         res = self.app.put(
diff --git a/wsmeext/pecan.py b/wsmeext/pecan.py
index 3fdb87f..42e1439 100644
--- a/wsmeext/pecan.py
+++ b/wsmeext/pecan.py
@@ -69,7 +69,10 @@ def wsexpose(*args, **kwargs):
                     kwargs[funcdef.pass_request] = pecan.request
                 result = f(self, *args, **kwargs)
             except:
-                data = wsme.api.format_exception(sys.exc_info())
+                data = wsme.api.format_exception(
+                    sys.exc_info(),
+                    pecan.conf.get('wsme', {}).get('debug', False)
+                )
                 if data['faultcode'] == 'Client':
                     pecan.response.status = 400
                 else: