diff --git a/csst_proto/config.py b/csst_proto/config.py
index d32fcd4983db880ba57e12756a1a3cad735decfd..48281a4950090ebb0fb46ea97736ee155221dcb6 100644
--- a/csst_proto/config.py
+++ b/csst_proto/config.py
@@ -44,7 +44,7 @@ def read_config(config_path: Optional[str] = None) -> dict:
     """
     # if config_path is specified, use it, otherwise use the default
     if config_path is None:
-        config_path: str = os.path.join(HERE, "config", "default_config.toml")
+        config_path: str = os.path.join(HERE, "data", "default_config.toml")
     # read the config file
     config: dict = toml.load(config_path)
     return config
diff --git a/csst_proto/config/default_config.toml b/csst_proto/data/default_config.toml
similarity index 100%
rename from csst_proto/config/default_config.toml
rename to csst_proto/data/default_config.toml