diff --git a/rowsandall_app/settings_thinkpad.py b/rowsandall_app/settings_thinkpad.py
index ea7fc6fc..02b60906 100644
--- a/rowsandall_app/settings_thinkpad.py
+++ b/rowsandall_app/settings_thinkpad.py
@@ -55,7 +55,7 @@ ALLOWED_HOSTS = []
 
 #INSTALLED_APPS += ['debug_toolbar',]
 
-MIDDLEWARE_CLASSES += ['debug_toolbar.middleware.DebugToolbarMiddleware',]
+MIDDLEWARE += ['debug_toolbar.middleware.DebugToolbarMiddleware',]
 
 CACHES = {
     'default': {