diff --git a/backup b/backup
index 51ae11c..5dba178 100755
--- a/backup
+++ b/backup
@@ -2,10 +2,12 @@
 use warnings;
 use strict;
 use Simba::CA;
+use POSIX qw(strftime);
 
 $ENV{PATH} = "/usr/bin";
 
-open(my $log, '>>', '/var/log/simba/ca.log');
+my $now = strftime('%Y-%m-%dT%H:%M:%S', localtime());
+open(my $log, '>>', '/var/log/simba/ca.log.' . $now);
 $log->autoflush(1);
 
 my $ca = Simba::CA->new({