diff -Naur bacula-11.0.2.old/examples/nagios/check_bacula/check_bacula.c bacula-11.0.2/examples/nagios/check_bacula/check_bacula.c
--- bacula-11.0.2.old/examples/nagios/check_bacula/check_bacula.c	2021-04-16 13:14:48.443226030 +0200
+++ bacula-11.0.2/examples/nagios/check_bacula/check_bacula.c	2021-04-16 13:15:04.773497587 +0200
@@ -324,7 +324,7 @@
             continue;
          }
 
-        if (strncmp(item->D_sock, "Events:", strlen("Events:")) == 0) {
+        if (strncmp(item->D_sock->msg, "Events:", strlen("Events:")) == 0) {
            /* Daemons can send events to the director, ignore them here */
            continue;
         }