Index: /issm/trunk-jpl/src/c/analyses/MasstransportAnalysis.cpp
===================================================================
--- /issm/trunk-jpl/src/c/analyses/MasstransportAnalysis.cpp	(revision 26069)
+++ /issm/trunk-jpl/src/c/analyses/MasstransportAnalysis.cpp	(revision 26070)
@@ -887,5 +887,5 @@
 	if(isgrd){
 		for(int i=0;i<numvertices;i++){
-			cumdeltathickness[i] += newthickness[i]-oldthickness[i];
+			cumdeltathickness[i] += (newthickness[i]-oldthickness[i]);
 		}
 	}