1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/bigint.rs b/src/libstd/bigint.rs
index 0104e72764f..64126ea918f 100644
--- a/src/libstd/bigint.rs
+++ b/src/libstd/bigint.rs
@@ -456,7 +456,7 @@ pub impl BigUint {
         pure fn fill_concat(v: &[BigDigit], radix: uint, l: uint) -> ~str {
             if v.is_empty() { return ~"0" }
             str::trim_left_chars(str::concat(vec::reversed(v).map(|n| {
-                let s = uint::to_str(*n as uint, radix);
+                let s = uint::to_str_radix(*n as uint, radix);
                 str::from_chars(vec::from_elem(l - s.len(), '0')) + s
             })), ['0'])
         }