Index: trunk/PStamp/lib/PStamp/Job.pm
===================================================================
--- trunk/PStamp/lib/PStamp/Job.pm	(revision 20154)
+++ trunk/PStamp/lib/PStamp/Job.pm	(revision 20222)
@@ -219,5 +219,8 @@
         $out->{image}  = $image->{uri};
         $out->{state}  = $image->{state}; # state is undef for rawExp, but that's ok
-        $class_id = $image->{class_id} if $set_class_id;
+        if ($set_class_id) {
+            $class_id = $image->{class_id};
+            $out->{class_id} = $class_id;
+        }
 
         # find the mask and weight images