1 files changed, 3 insertions, 2 deletions
diff --git a/src/libcore/flate.rs b/src/libcore/flate.rs
index ba10f97e626..29d0eb422d5 100644
--- a/src/libcore/flate.rs
+++ b/src/libcore/flate.rs
@@ -84,10 +84,11 @@ pub fn inflate_bytes(bytes: &const [u8]) -> ~[u8] {
 #[test]
 #[allow(non_implicitly_copyable_typarams)]
 fn test_flate_round_trip() {
-    let r = rand::rng();
+    let mut r = rand::rng();
     let mut words = ~[];
     for 20.times {
-        words.push(r.gen_bytes(r.gen_uint_range(1, 10)));
+        let range = r.gen_uint_range(1, 10);
+        words.push(r.gen_bytes(range));
     }
     for 20.times {
         let mut in = ~[];