diff --git a/backend/app/config.py b/backend/app/config.py
index a2397f4..5e40463 100644
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -81,6 +81,7 @@ class Settings(BaseSettings):
     class Config:
         env_file = ".env"
         case_sensitive = False
+        extra = "ignore"
 
 
 settings = Settings()