diff --git a/Lib/socket.py b/Lib/socket.py
index 8e30ce0..39d5119 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -217,7 +217,7 @@
         self._wbuf = [] # A list of strings
 
     def _getclosed(self):
-        return self._sock is not None
+        return self._sock is None
     closed = property(_getclosed, doc="True if the file is closed")
 
     def close(self):
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index a2b8489..f7bf041 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -590,6 +590,7 @@
 
     def tearDown(self):
         self.serv_file.close()
+        self.assert_(self.serv_file.closed)
         self.serv_file = None
         SocketConnectedTest.tearDown(self)
 
@@ -599,6 +600,7 @@
 
     def clientTearDown(self):
         self.cli_file.close()
+        self.assert_(self.cli_file.closed)
         self.cli_file = None
         SocketConnectedTest.clientTearDown(self)
 
@@ -645,6 +647,12 @@
         self.cli_file.write(MSG)
         self.cli_file.flush()
 
+    def testClosedAttr(self):
+        self.assert_(not self.serv_file.closed)
+
+    def _testClosedAttr(self):
+        self.assert_(not self.cli_file.closed)
+
 class UnbufferedFileObjectClassTestCase(FileObjectClassTestCase):
 
     """Repeat the tests from FileObjectClassTestCase with bufsize==0.