Index: /issm/trunk-jpl/src/c/classes/Elements/Element.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Elements/Element.cpp	(revision 27843)
+++ /issm/trunk-jpl/src/c/classes/Elements/Element.cpp	(revision 27844)
@@ -156,5 +156,5 @@
 			}
 			/*Compute polynomial with parameters of indperiod*/
-			if(indperiod==0) telapsed_break = tatstep;
+			if(indperiod==0) telapsed_break = tatstep-starttime;
 			else             telapsed_break = tatstep-datebreaks_basin[indperiod-1];
 			for(int j=0;j<numparams;j++)   sumpoly[s] = sumpoly[s]+polyparams_basin[indperiod+j*numperiods]*pow(telapsed_break,j);