diff -r c7c2b677ac1b -r 68cf3c217269 Lib/test/test_int_jy.py
--- a/Lib/test/test_int_jy.py	Sat Jun 21 22:51:38 2014 -0600
+++ b/Lib/test/test_int_jy.py	Sun Jun 22 10:35:31 2014 -0700
@@ -11,6 +11,11 @@
     def test_type_matches(self):
         self.assert_(isinstance(1, types.IntType))
 
+    def test_int_pow(self):
+        self.assertEquals(pow(10, 10, None), 10000000000L)
+        self.assertEquals(int.__pow__(10, 10, None), 10000000000L)
+        self.assertEquals((10).__pow__(10, None), 10000000000L)
+
 def test_main():
     test_support.run_unittest(IntTestCase)
 
diff -r c7c2b677ac1b -r 68cf3c217269 src/org/python/core/PyInteger.java
--- a/src/org/python/core/PyInteger.java	Sat Jun 21 22:51:38 2014 -0600
+++ b/src/org/python/core/PyInteger.java	Sun Jun 22 10:35:31 2014 -0700
@@ -574,10 +574,14 @@
             return null;
         }
 
-        if (modulo != null && !canCoerce(modulo)) {
+        if ((modulo != null && modulo != Py.None) && !canCoerce(modulo)) {
             return null;
         }
 
+        if (modulo == Py.None) {
+            return __builtin__.pow(this, right);
+        }
+
         return _pow(getValue(), coerce(right), modulo, this, right);
     }