Index: /issm/trunk-jpl/src/c/classes/Elements/Tetra.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Elements/Tetra.cpp	(revision 17483)
+++ /issm/trunk-jpl/src/c/classes/Elements/Tetra.cpp	(revision 17484)
@@ -726,5 +726,5 @@
 
 	/*Recover vertices ids needed to initialize inputs*/
-	for(i=0;i<6;i++) tetra_vertex_ids[i]=iomodel->elements[6*index+i]; //ids for vertices are in the elements array from Matlab
+	for(i=0;i<4;i++) tetra_vertex_ids[i]=iomodel->elements[4*index+i]; //ids for vertices are in the elements array from Matlab
 
 	/*Recover nodes ids needed to initialize the node hook.*/