diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 05dc26a..129b4ab 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -269,6 +269,7 @@
         self.assertNotIn(200, b)
         self.assertRaises(ValueError, lambda: 300 in b)
         self.assertRaises(ValueError, lambda: -1 in b)
+        self.assertRaises(ValueError, lambda: sys.maxsize+1 in b)
         self.assertRaises(TypeError, lambda: None in b)
         self.assertRaises(TypeError, lambda: float(ord('a')) in b)
         self.assertRaises(TypeError, lambda: "a" in b)
diff --git a/Objects/bytes_methods.c b/Objects/bytes_methods.c
index d0f784e..d7f061b 100644
--- a/Objects/bytes_methods.c
+++ b/Objects/bytes_methods.c
@@ -645,7 +645,7 @@
 int
 _Py_bytes_contains(const char *str, Py_ssize_t len, PyObject *arg)
 {
-    Py_ssize_t ival = PyNumber_AsSsize_t(arg, PyExc_ValueError);
+    Py_ssize_t ival = PyNumber_AsSsize_t(arg, NULL);
     if (ival == -1 && PyErr_Occurred()) {
         Py_buffer varg;
         Py_ssize_t pos;