diff --git a/Makefile b/Makefile
index 7b6b402..9e40e0f 100644
--- a/Makefile
+++ b/Makefile
@@ -43,4 +43,4 @@ publish:
 
 # run
 run:
-	PYTHONPATH=src/ uv run python src/stacosys/run.py config-dev.ini
+	PYTHONPATH=src/ uv run python src/stacosys/run.py $(RUN_ARGS)
diff --git a/src/stacosys/i18n/messages.py b/src/stacosys/i18n/messages.py
index 0e38b1f..374d066 100644
--- a/src/stacosys/i18n/messages.py
+++ b/src/stacosys/i18n/messages.py
@@ -1,5 +1,6 @@
 import configparser
 import importlib.resources
+import os
 
 
 class Messages: