--- /usr/bin/flexbackup	2010-12-30 08:09:10.000000000 +0100
+++ flexbackup	2013-12-24 15:44:25.000000000 +0100
@@ -2688,7 +2688,7 @@
     }
 
     # Flag old config file
-    if (defined(@cfg::filesystems) or defined($cfg::mt_var_blksize)) {
+    if (@cfg::filesystems or $cfg::mt_var_blksize) {
 	# so strict shuts up
 	my $junk = @cfg::filesystems;
 	$junk = $cfg::mt_var_blksize;