Index: trunk/MagicSoft/Mars/resources/steps_fact.rc
===================================================================
--- trunk/MagicSoft/Mars/resources/steps_fact.rc	(revision 9605)
+++ trunk/MagicSoft/Mars/resources/steps_fact.rc	(revision 9618)
@@ -3,4 +3,5 @@
 
 Ceres.Primaries: fRunNumber, fFileNumber, fCeresSetupKEY
+Ceres.Needs: Corsika 
 Ceres.SpecialNeedJoin: LEFT JOIN CeresInfo USING(fSequenceNumber, fCeresSetupKEY)
 Ceres.SpecialInfluenceJoin: LEFT JOIN CeresInfo USING(fRunNumber, fFileNumber, fCeresSetupKEY)