diff -r 394e6bda5a70 Lib/doctest.py
--- a/Lib/doctest.py	Sun Jun 29 15:56:21 2014 +0300
+++ b/Lib/doctest.py	Thu Jul 03 13:18:22 2014 +0300
@@ -984,7 +984,8 @@
             for valname, val in obj.__dict__.items():
                 valname = '%s.%s' % (name, valname)
                 # Recurse to functions & classes.
-                if ((inspect.isroutine(val) or inspect.isclass(val)) and
+                if ((inspect.isroutine(inspect.unwrap(val))
+                     or inspect.isclass(val)) and
                     self._from_module(module, val)):
                     self._find(tests, val, valname, module, source_lines,
                                globs, seen)
diff -r 394e6bda5a70 Lib/test/test_doctest.py
--- a/Lib/test/test_doctest.py	Sun Jun 29 15:56:21 2014 +0300
+++ b/Lib/test/test_doctest.py	Thu Jul 03 13:18:22 2014 +0300
@@ -6,6 +6,7 @@
 import doctest
 import os
 import sys
+import functools
 
 
 # NOTE: There are some additional tests relating to interaction with
@@ -434,7 +435,7 @@
     >>> tests = finder.find(sample_func)
 
     >>> print(tests)  # doctest: +ELLIPSIS
-    [<DocTest sample_func from ...:18 (1 example)>]
+    [<DocTest sample_func from ...:19 (1 example)>]
 
 The exact name depends on how test_doctest was invoked, so allow for
 leading path components.
@@ -2364,6 +2365,22 @@
       foo \n
     """
 
+class Wrapper:
+    def __init__(self, func):
+        self.func = func
+        functools.update_wrapper(self, func)
+
+    def __call__(self, *args, **kwargs):
+        self.func(*args, **kwargs)
+
+@Wrapper
+def test_look_in_unwrapped():
+    """
+    Docstrings in wrapped functions must be detected as well.
+
+    >>> 'one other test'
+    'one other test'
+    """
 
 def test_unittest_reportflags():
     """Default unittest reporting flags can be set to control reporting