diff --git a/usr.sbin/periodic/periodic.conf b/usr.sbin/periodic/periodic.conf
index d2d59fb783b..4429c8d48ee 100644
--- a/usr.sbin/periodic/periodic.conf
+++ b/usr.sbin/periodic/periodic.conf
@@ -78,7 +78,12 @@ daily_backup_passwd_enable="YES"			# Backup passwd & group
 daily_backup_aliases_enable="YES"			# Backup mail aliases
 
 # 221.backup-gpart
-daily_backup_gpart_enable="YES"             		# Backup partition table/boot partition/MBR
+if [ $(sysctl -n security.jail.jailed) = 0 ]; then
+        # Backup partition table/boot partition/MBR
+        daily_backup_gpart_enable="YES"
+else
+        daily_backup_gpart_enable="NO"
+fi
 daily_backup_gpart_verbose="NO"             		# Be verbose if new backup differs from the old one
 daily_backup_efi_enable="NO"                		# Backup EFI system partition (ESP)