diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 06beb1d..d45ff64 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -60,13 +60,13 @@
         self.assertRaises(ValueError, bytes, [-1])
         self.assertRaises(ValueError, bytes, [-sys.maxint])
         self.assertRaises(ValueError, bytes, [-sys.maxint-1])
-        self.assertRaises(TypeError, bytes, [-sys.maxint-2])
-        self.assertRaises(TypeError, bytes, [-10**100])
+        self.assertRaises(ValueError, bytes, [-sys.maxint-2])
+        self.assertRaises(ValueError, bytes, [-10**100])
         self.assertRaises(ValueError, bytes, [256])
         self.assertRaises(ValueError, bytes, [257])
         self.assertRaises(ValueError, bytes, [sys.maxint])
-        self.assertRaises(TypeError, bytes, [sys.maxint+1])
-        self.assertRaises(TypeError, bytes, [10**100])
+        self.assertRaises(ValueError, bytes, [sys.maxint+1])
+        self.assertRaises(ValueError, bytes, [10**100])
 
     def test_repr(self):
         self.assertEqual(repr(bytes()), "bytes()")
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 241281e..d6cce6d 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -245,7 +245,7 @@
     if (PyBytes_Check(value))
         return bytes_substring(self, (PyBytesObject *)value);
 
-    ival = PyNumber_AsSsize_t(value, PyExc_TypeError);
+    ival = PyNumber_AsSsize_t(value, PyExc_ValueError);
     if (ival == -1 && PyErr_Occurred())
         return -1;
     if (ival < 0 || ival >= 256) {
@@ -365,7 +365,7 @@
     if (value == NULL)
         return bytes_setslice(self, i, i+1, NULL);
 
-    ival = PyNumber_AsSsize_t(value, PyExc_TypeError);
+    ival = PyNumber_AsSsize_t(value, PyExc_ValueError);
     if (ival == -1 && PyErr_Occurred())
         return -1;
 
@@ -448,7 +448,7 @@
     }
 
     /* Is it an int? */
-    count = PyNumber_AsSsize_t(arg, PyExc_TypeError);
+    count = PyNumber_AsSsize_t(arg, PyExc_ValueError);
     if (count == -1 && PyErr_Occurred())
         PyErr_Clear();
     else {
@@ -500,7 +500,7 @@
         }
 
         /* Interpret it as an int (__index__) */
-        value = PyNumber_AsSsize_t(item, PyExc_TypeError);
+        value = PyNumber_AsSsize_t(item, PyExc_ValueError);
         Py_DECREF(item);
         if (value == -1 && PyErr_Occurred())
             goto error;