Index: /issm/trunk-jpl/src/c/classes/IoModel.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/IoModel.cpp	(revision 25212)
+++ /issm/trunk-jpl/src/c/classes/IoModel.cpp	(revision 25213)
@@ -1757,6 +1757,6 @@
 					_assert_(this->elements);
 					for(int k=0;k<numvertices;k++){
-						vertexsids[k] =reCast<int>(this->elements[numvertices*element->Sid()+k]); //ids for vertices are in the elements array from Matlab
-						vertexlids[k]=this->my_vertices_lids[vertexsids[k]-1];
+						vertexsids[k] =reCast<int>(this->elements[numvertices*element->Sid()+k]-1); //ids for vertices are in the elements array from Matlab
+						vertexlids[k]=this->my_vertices_lids[vertexsids[k]];
 					}