diff --git a/takahe/settings.py b/takahe/settings.py
index 5a26596..e8e61ac 100644
--- a/takahe/settings.py
+++ b/takahe/settings.py
@@ -174,7 +174,7 @@ class Settings(BaseSettings):
 SETUP = Settings()
 
 # Don't allow automatic keys in production
-if SETUP.DEBUG and SETUP.SECRET_KEY.startswith("autokey-"):
+if not SETUP.DEBUG and SETUP.SECRET_KEY.startswith("autokey-"):
     print("You must set TAKAHE_SECRET_KEY in production")
     sys.exit(1)
 SECRET_KEY = SETUP.SECRET_KEY