diff --git a/src/gossip/dump_service.zig b/src/gossip/dump_service.zig
index ff6681105..5d6e3b0a6 100644
--- a/src/gossip/dump_service.zig
+++ b/src/gossip/dump_service.zig
@@ -21,10 +21,9 @@ pub const GossipDumpService = struct {
 
     pub fn run(self: Self) !void {
         const start_time = std.time.timestamp();
-        const dir_name = try std.fmt.allocPrint(self.allocator, "gossip-dumps/{}", .{start_time});
-        defer self.allocator.free(dir_name);
+        const dir_name_bounded = sig.utils.fmt.boundedFmt("gossip-dumps/{}", .{start_time});
 
-        var dir = try std.fs.cwd().makeOpenPath(dir_name, .{});
+        var dir = try std.fs.cwd().makeOpenPath(dir_name_bounded.constSlice(), .{});
         defer dir.close();
 
         while (true) {