1 files changed, 3 insertions, 1 deletions
diff --git a/src/test/bench/sudoku.rs b/src/test/bench/sudoku.rs
index f66de385374..2396d6efc5c 100644
--- a/src/test/bench/sudoku.rs
+++ b/src/test/bench/sudoku.rs
@@ -103,7 +103,9 @@ impl Sudoku {
         for u8::range(0u8, 9u8) |row| {
             for u8::range(0u8, 9u8) |col| {
                 let color = self.grid[row][col];
-                if color == 0u8 { work += [(row, col)]; }
+                if color == 0u8 {
+                    work.push((row, col));
+                }
             }
         }