diff --git a/corrlib/tools.py b/corrlib/tools.py
index 93f0678..f66e35d 100644
--- a/corrlib/tools.py
+++ b/corrlib/tools.py
@@ -115,6 +115,8 @@ def get_db_file(path: Path) -> Path:
     db_file: str
         The file holding the database.
     """
+    if not os.path.exists(path):
+        raise FileNotFoundError(f"Corrlib path {path} does not exist.")
     config_path = os.path.join(path, CONFIG_FILENAME)
     config = ConfigParser()
     if os.path.exists(config_path):