--- a/spamd	2019-02-04 09:48:12.828476850 +0100
+++ b/spamd	2019-02-04 09:48:26.385192138 +0100
@@ -246,6 +246,7 @@
                                 exit_status_str am_running_on_windows
                                 get_user_groups);
 use Mail::SpamAssassin::Timeout;
+use Mail::SpamAssassin::AuthCourier;
 
 use Getopt::Long;
 use POSIX qw(:sys_wait_h);