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-rw-r--r--src/libcollections/deque.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libcollections/deque.rs b/src/libcollections/deque.rs
index 05df04d293f..6fd525bac2e 100644
--- a/src/libcollections/deque.rs
+++ b/src/libcollections/deque.rs
@@ -52,7 +52,7 @@ pub mod bench {
                                                   map: &mut M,
                                                   bh: &mut BenchHarness) {
         // setup
-        let mut rng = rand::XorShiftRng::new();
+        let mut rng = rand::weak_rng();
 
         map.clear();
         for _ in range(0, n) {
@@ -89,7 +89,7 @@ pub mod bench {
                                                 map: &mut M,
                                                 bh: &mut BenchHarness) {
         // setup
-        let mut rng = rand::XorShiftRng::new();
+        let mut rng = rand::weak_rng();
         let mut keys = slice::from_fn(n, |_| rng.gen::<uint>() % n);
 
         for k in keys.iter() {