diff --git a/app/__init__.py b/app/__init__.py
index df77d00..9cc211d 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -27,7 +27,11 @@ app.register_blueprint(portal, url_prefix="/portal")
 app.register_blueprint(tfstate, url_prefix="/tfstate")
 
 
-if 'nose' not in sys.modules.keys() and sys.argv[1] != "db":
+def not_migrating() -> bool:
+    return len(sys.argv) < 2 or sys.argv[1] != "db"
+
+
+if 'nose' not in sys.modules.keys() and not_migrating():
     from app.metrics import DefinedProxiesCollector, BlockedProxiesCollector, AutomationCollector
 
     REGISTRY.register(DefinedProxiesCollector(app))