diff --git a/ulid.zig b/ulid.zig
index 4bd391686cb81c60746bd0d0067f950a2ca6265d..88bcc4e6bd582b5ec70794403f1cf50632d62247 100644
--- a/ulid.zig
+++ b/ulid.zig
@@ -52,7 +52,7 @@ pub const ULID = struct {
     pub fn toString(self: ULID, alloc: std.mem.Allocator) !BaseType {
         var res = try std.ArrayList(u8).initCapacity(alloc, 26);
         defer res.deinit();
-        try res.writer().print("{}", .{self});
+        try res.appendSlice(&self.bytes());
         return res.toOwnedSlice();
     }