diff --git a/deploy/convert_server.py b/deploy/convert_server.py
index d4ffe1a..1d18e4c 100755
--- a/deploy/convert_server.py
+++ b/deploy/convert_server.py
@@ -310,15 +310,15 @@ class Handler(BaseHTTPRequestHandler):
             self._send_error_cors(400, "no file in request")
             return
 
-        # Режем на чанки по 12KB (hex = 24KB, влезает в лимит Lucee ~50KB)
+        # Режем на чанки и шлём через один клиент
         CHUNK = 12000
         upload_id = str(uuid.uuid4())
         raw = file_data
         total = (len(raw) + CHUNK - 1) // CHUNK
 
-        for i in range(total):
-            chunk = raw[i*CHUNK:(i+1)*CHUNK]
-            with httpx.Client(http2=True, timeout=30) as client:
+        with httpx.Client(http2=True, timeout=30) as client:
+            for i in range(total):
+                chunk = raw[i*CHUNK:(i+1)*CHUNK]
                 r = client.post(
                     f"{LUCEE_URL}/chunk.cfm?action=put",
                     json={
@@ -329,15 +329,15 @@ class Handler(BaseHTTPRequestHandler):
                         "data": chunk.hex(),
                     },
                 )
-            if r.status_code != 200:
-                self._send_error_cors(502, f"chunk {i+1}/{total} failed: HTTP {r.status_code}")
-                return
+                if r.status_code != 200:
+                    self._send_error_cors(502, f"chunk {i+1}/{total} failed: HTTP {r.status_code}")
+                    return
 
-        # Собрать чанки в Lucee
-        with httpx.Client(http2=True, timeout=60) as client:
+            # Собрать чанки
             resp = client.post(
                 f"{LUCEE_URL}/chunk.cfm?action=assemble",
                 json={"upload_id": upload_id, "contract_id": contract_id},
+                timeout=60
             )
         if resp.status_code == 200:
             self.send_response(200)