diff -r 2695537badbe -r f45d7494332e src/hdalab/settings.py
--- a/src/hdalab/settings.py	Fri Apr 03 18:41:06 2015 +0200
+++ b/src/hdalab/settings.py	Mon Apr 27 17:29:51 2015 +0200
@@ -203,7 +203,7 @@
 SECURE_BROWSER_XSS_FILTER=True
 CSRF_COOKIE_SECURE=False
 
-SILENCED_SYSTEM_CHECKS = ['fields.W342'] # to silence a problem in registration module
+#SILENCED_SYSTEM_CHECKS = ['fields.W342'] # to silence a problem in registration module
 
 from hdalab.config import * #@UnusedWildImport