diff --git a/routes b/routes
index b5deeeb5a..944e20502 100644
--- a/routes
+++ b/routes
@@ -105,7 +105,7 @@
 /course/#TermId/#SchoolId/#CourseShorthand CourseR             !lecturer:
   /                           CShowR           GET             !free
   /favourite                  CFavouriteR          POST
-  /register                   CRegisterR       GET POST        !timeANDcapacityANDallocation-timeAND¬exam-result !lecturerANDallocation-time
+  /register                   CRegisterR       GET POST        !timeANDcapacityANDallocation-timeAND¬course-registered !timeANDallocation-timeAND¬exam-resultANDcourse-registered !lecturerANDallocation-time
   /register-template          CRegisterTemplateR GET           !free
   /edit                       CEditR           GET POST
   /lecturer-invite            CLecInviteR      GET POST