diff --git a/ytsage/utils/ytsage_config_manager.py b/ytsage/utils/ytsage_config_manager.py
index e218347..fcbe92f 100644
--- a/ytsage/utils/ytsage_config_manager.py
+++ b/ytsage/utils/ytsage_config_manager.py
@@ -95,7 +95,7 @@ class ConfigManager:
         "force_audio_format": False,
         "preferred_audio_format": "best",
         "audio_normalization": False,
-        "filename_format": "%(title)s_%(resolution)s.%(ext)s",
+        "filename_format": "%(title)s_%(resolution)s_[%(id)s].%(ext)s",
         "cached_versions": {
             "ytdlp": {"version": None, "path": None, "last_check": 0, "path_mtime": 0},
             "ffmpeg": {"version": None, "path": None, "last_check": 0, "path_mtime": 0},