diff --git a/data/server/test/GetConfig.json b/data/server/test/GetConfig.json
index e205577087..25592bcf73 100644
--- a/data/server/test/GetConfig.json
+++ b/data/server/test/GetConfig.json
@@ -28,7 +28,7 @@
     "call_connect_timeout_ms": 30000,
     "call_packet_timeout_ms": 10000,
     "me_url_prefix": "https://t.me/",
-    "caption_length_max": 2048,
+    "caption_length_max": 1024,
     "message_length_max": 4096,
     "webfile_dc_id": 2,
     "default_p2p_contacts": true,