diff -Naur bacula-7.4.0.old/src/lib/message.c bacula-7.4.0/src/lib/message.c
--- bacula-7.4.0.old/src/lib/message.c	2016-01-25 21:00:14.018670291 +0100
+++ bacula-7.4.0/src/lib/message.c	2016-01-25 21:07:08.088325232 +0100
@@ -28,6 +28,7 @@
  *
  */
 
+#include <assert.h>
 #include "bacula.h"
 #include "jcr.h"
 
@@ -1329,7 +1330,8 @@
     if (type == M_ABORT) {
        assert_msg = bstrdup(buf);
        char *p = 0;
-       p[0] = 0;                      /* generate segmentation violation */
+       // p[0] = 0;                      /* generate segmentation violation */
+       assert(p!=NULL);
     }
     if (type == M_ERROR_TERM) {
        exit(1);