diff --git a/src/libcore/iter/sources.rs b/src/libcore/iter/sources.rs
index b405f35d5e4db..a2508702ccb2d 100644
--- a/src/libcore/iter/sources.rs
+++ b/src/libcore/iter/sources.rs
@@ -31,8 +31,12 @@ impl<A: Clone> Iterator for Repeat<A> {
 
     #[inline]
     fn next(&mut self) -> Option<A> { Some(self.element.clone()) }
+
     #[inline]
     fn size_hint(&self) -> (usize, Option<usize>) { (usize::MAX, None) }
+
+    #[inline]
+    fn nth(&mut self, _: usize) -> Option<A> { self.next() }
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs
index 8997cf9c6bff9..18ad050082a7d 100644
--- a/src/libcore/tests/iter.rs
+++ b/src/libcore/tests/iter.rs
@@ -1403,6 +1403,8 @@ fn test_repeat() {
     assert_eq!(it.next(), Some(42));
     assert_eq!(it.next(), Some(42));
     assert_eq!(it.next(), Some(42));
+    let mut it = repeat(vec![42]);
+    assert_eq!(it.nth(usize::MAX), Some(vec![42]));
 }
 
 #[test]