diff --git a/roles/nuancier/templates/nuancier.wsgi b/roles/nuancier/templates/nuancier.wsgi
index 42fc285f39..182804b10d 100644
--- a/roles/nuancier/templates/nuancier.wsgi
+++ b/roles/nuancier/templates/nuancier.wsgi
@@ -13,4 +13,4 @@ os.environ['NUANCIER_CONFIG'] = '/etc/nuancier/nuancier-lite.cfg'
 
 # The most import line to make the wsgi working
 from nuancier import APP as application
-
+application.debug = True