diff --git a/chatmastermind/main.py b/chatmastermind/main.py
index 7866179..32e4ccd 100755
--- a/chatmastermind/main.py
+++ b/chatmastermind/main.py
@@ -18,8 +18,7 @@ default_config = '.config.yaml'
 
 
 def tags_completer(prefix: str, parsed_args: Any, **kwargs: Any) -> list[str]:
-    with open(parsed_args.config, 'r') as f:
-        config = yaml.load(f, Loader=yaml.FullLoader)
+    config = Config.from_file(parsed_args.config)
     return get_tags_unique(config, prefix)