diff --git a/src/daemon.c b/src/daemon.c
index 91403ef..ed8e69c 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -280,9 +280,9 @@ int main(int argc, char *argv[]) {
 
   if (appconfig.nice != 0) {
     errno = 0;
-    nice(appconfig.nice);
-    if (errno)
+    if (nice(appconfig.nice) == -1 && errno) {
       f2b_log_msg(log_warn, "can't set process priority: %s", strerror(errno));
+    }
   }
 
   if (appconfig.coredumps) {
diff --git a/src/jail.c b/src/jail.c
index 44556ff..48ac4ee 100644
--- a/src/jail.c
+++ b/src/jail.c
@@ -150,6 +150,7 @@ f2b_jail_set_defaults(f2b_config_section_t *section) {
   assert(section != NULL);
   assert(section->type == t_defaults);
 
+  strlcpy(defaults.name, "default", sizeof(defaults.name)); /* can't init before */
   f2b_jail_apply_config(&defaults, section);
 
   return;