Index: trunk/ippScripts/scripts/register_imfile.pl
===================================================================
--- trunk/ippScripts/scripts/register_imfile.pl	(revision 16474)
+++ trunk/ippScripts/scripts/register_imfile.pl	(revision 16563)
@@ -220,5 +220,5 @@
 
     carp($msg);
-    if ($exp_id && $tmp_class_id and not $no_update) {
+    if (defined $exp_id && defined $tmp_class_id and not $no_update) {
         my $command = "$regtool -addprocessedimfile";
         $command .= " -exp_id $exp_id";