Index: trunk/ippTasks/detrend.reject.pro
===================================================================
--- trunk/ippTasks/detrend.reject.pro	(revision 14630)
+++ trunk/ippTasks/detrend.reject.pro	(revision 14681)
@@ -114,5 +114,5 @@
     # look for new images in detRejectExp
     book getpage detRejectExp 0 -var pageName -key pantaskState INIT
-    if ($pageName == NULL) break
+    if ("$pageName" == "NULL") break
 
     book setword detRejectExp $pageName pantaskState RUN