Index: trunk/ippTools/share/difftool_todiffskyfile.sql
===================================================================
--- trunk/ippTools/share/difftool_todiffskyfile.sql	(revision 20973)
+++ trunk/ippTools/share/difftool_todiffskyfile.sql	(revision 21308)
@@ -4,5 +4,5 @@
 SELECT DISTINCT
     diffRun.diff_id,
-    0 as diff_skyfile_id,
+    diffInputSkyfile.diff_skyfile_id,
     diffRun.workdir,
     diffInputSkyfile.skycell_id,