diff --git a/sklearn/cross_validation.py b/sklearn/cross_validation.py
index fdcfbd92959cfe5bf308d2f588535c58ca3a7264..e7d3144a82d7ba86856b164aa8dcb3a96dbe1cd4 100644
--- a/sklearn/cross_validation.py
+++ b/sklearn/cross_validation.py
@@ -723,7 +723,7 @@ class ShuffleSplit(object):
 
     def __repr__(self):
         return ('%s(%d, n_iterations=%d, test_fraction=%s, indices=%s, '
-                'random_state=%d)' % (
+                'random_state=%s)' % (
                     self.__class__.__name__,
                     self.n,
                     self.n_iterations,