diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index 80de93d..817103e 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -108,6 +108,7 @@
             _fileio._FileIO('.', 'r')
         except IOError as e:
             self.assertNotEqual(e.errno, 0)
+            self.assertEqual(e.filename, ".")
         else:
             self.fail("Should have raised IOError")
 
diff --git a/Modules/_fileio.c b/Modules/_fileio.c
index b892993..c36a5de 100644
--- a/Modules/_fileio.c
+++ b/Modules/_fileio.c
@@ -116,7 +116,7 @@
    directories, so we need a check.  */
 
 static int
-dircheck(PyFileIOObject* self)
+dircheck(PyFileIOObject* self, char *name)
 {
 #if defined(HAVE_FSTAT) && defined(S_IFDIR) && defined(EISDIR)
 	struct stat buf;
@@ -128,8 +128,8 @@
 		if (internal_close(self))
 			return -1;
 
-		exc = PyObject_CallFunction(PyExc_IOError, "(is)",
-					    EISDIR, msg);
+		exc = PyObject_CallFunction(PyExc_IOError, "(iss)",
+					    EISDIR, msg, name);
 		PyErr_SetObject(PyExc_IOError, exc);
 		Py_XDECREF(exc);
 		return -1;
@@ -290,7 +290,7 @@
 #endif
 			goto error;
 		}
-		if(dircheck(self) < 0)
+		if(dircheck(self, name) < 0)
 			goto error;
 	}