diff --git a/mycp/mycp b/mycp/mycp
index e5ac5b2..e901635 100755
--- a/mycp/mycp
+++ b/mycp/mycp
@@ -36,6 +36,7 @@ sub backup($) {
 		@stat = stat($file);
 		@timestamp = localtime($stat[9]);
 		$timestamp[5] += 1900;
+		if ( length($timestamp[3]) < 2 ) { $timestamp[3] = "0$timestamp[3]"; }
 		$sfx = "$timestamp[3]$months[$timestamp[4]]$timestamp[5]";
 		unless ( -d "$dir/OLD" ) { mkdir "$dir/OLD", 0777 or die "Couldn't create $dir/OLD: $!\n"; }
 		$backup = "$dir/OLD/$base.$sfx";