diff --git a/exercises/093_async9.zig b/exercises/093_async9.zig
index 741462d..d4edd7b 100644
--- a/exercises/093_async9.zig
+++ b/exercises/093_async9.zig
@@ -45,8 +45,9 @@ const Io = std.Io;
 const print = std.debug.print;
 
 const SearchResult = struct {
-    worker_id: u8,
-    index: usize,
+    found: bool,
+    worker_id: u8 = 0,
+    index: usize = 0,
 };
 
 pub fn main(init: std.process.Init) !void {
@@ -71,7 +72,8 @@ pub fn main(init: std.process.Init) !void {
     // Wait for the first result.
     const result = try queue.getOne(io);
 
-    print("Worker {} found signal start over threshold at index {}!\n", .{ result.worker_id, result.index });
+    if (result.found)
+        print("Worker {} found signal start over threshold at index {}!\n", .{ result.worker_id, result.index });
 }
 
 fn searchThreshold(
@@ -94,10 +96,14 @@ fn searchThreshold(
 
         if (val >= threshold) {
             queue.putOne(io, .{
+                .found = true,
                 .worker_id = worker_id,
                 .index = base_offset + i,
             }) catch return;
             return;
         }
     }
+
+    // Nothing found
+    queue.putOneUncancelable(io, .{ .found = false }) catch return;
 }
diff --git a/patches/patches/093_async9.patch b/patches/patches/093_async9.patch
index c8cc714..4aa54a1 100644
--- a/patches/patches/093_async9.patch
+++ b/patches/patches/093_async9.patch
@@ -1,6 +1,6 @@
---- exercises/093_async9.zig	2026-04-14 08:32:33.014583120 -0700
-+++ answers/093_async9.zig	2026-04-14 08:32:24.459647047 -0700
-@@ -62,10 +62,10 @@
+--- exercises/093_async9.zig	2026-04-14 22:20:23.519107582 +0200
++++ answers/093_async9.zig	2026-04-14 22:06:30.606912044 +0200
+@@ -63,10 +63,10 @@
  
      // Launch two workers, each searching half the array.
      // Remember, we want them to be guaranteed separate units of concurrency.