Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 24178)
+++ trunk/ippTasks/diff.pro	(revision 24183)
@@ -234,5 +234,5 @@
   task.exit    0
     # convert 'stdout' to book format
-    ipptool2book stdout diffCleanup -key diff_id:skycell_id -uniq -setword dbname $options:0 -setword pantaskState INIT
+    ipptool2book stdout diffCleanup -key diff_id -uniq -setword dbname $options:0 -setword pantaskState INIT
     if ($VERBOSE > 2)
       book listbook diffCleanup