diff --git a/codex-launcher_2.1.1_all.deb b/codex-launcher_2.1.1_all.deb
index 6ee6e51..d1d0a1e 100644
Binary files a/codex-launcher_2.1.1_all.deb and b/codex-launcher_2.1.1_all.deb differ
diff --git a/src/translate-proxy.py b/src/translate-proxy.py
index 34489dc..9a5000d 100755
--- a/src/translate-proxy.py
+++ b/src/translate-proxy.py
@@ -744,9 +744,11 @@ class Handler(http.server.BaseHTTPRequestHandler):
                 cc_msgs.append({"role": "tool", "tool_call_id": m["tool_call_id"],
                                  "content": [{"type": "text", "text": m.get("content", "")}]})
 
-        thread_id = body.get("request_id") or body.get("id") or uid("thread")
-        if len(thread_id) < 32:
-            thread_id = uid("thread")
+        thread_id = body.get("request_id") or body.get("id") or ""
+        try:
+            uuid.UUID(thread_id)
+        except (ValueError, AttributeError):
+            thread_id = str(uuid.uuid4())
 
         cc_body = {
             "config": _cc_config(),