diff --git a/poetry.lock b/poetry.lock
index cfad04b..208f6bb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1073,13 +1073,13 @@ files = [
 
 [[package]]
 name = "pyright"
-version = "1.1.352"
+version = "1.1.353"
 description = "Command line wrapper for pyright"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pyright-1.1.352-py3-none-any.whl", hash = "sha256:0040cf173c6a60704e553bfd129dfe54de59cc76d0b2b80f77cfab4f50701d64"},
-    {file = "pyright-1.1.352.tar.gz", hash = "sha256:a621c0dfbcf1291b3610641a07380fefaa1d0e182890a1b2a7f13b446e8109a9"},
+    {file = "pyright-1.1.353-py3-none-any.whl", hash = "sha256:8d7e6719d0be4fd9f4a37f010237c6a74d91ec1e7c81de634c2f3f9965f8ab43"},
+    {file = "pyright-1.1.353.tar.gz", hash = "sha256:24343bbc2a4f997563f966b6244a2e863473f1d85af6d24abcb366fcbb4abca9"},
 ]
 
 [package.dependencies]
diff --git a/sachi/config.py b/sachi/config.py
index 2fa882f..b9e2f6d 100644
--- a/sachi/config.py
+++ b/sachi/config.py
@@ -8,6 +8,8 @@
 
 
 def get_config_path() -> Path:
+    if __package__ is None:
+        raise ImportError("This module must be imported as a package")
     pkg_meta = metadata(__package__)
     app_dir = Path(typer.get_app_dir(pkg_meta["Name"]))
     app_dir.mkdir(parents=True, exist_ok=True)