Index: /issm/trunk-jpl/src/c/classes/Loads/Friction.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Loads/Friction.cpp	(revision 18990)
+++ /issm/trunk-jpl/src/c/classes/Loads/Friction.cpp	(revision 18991)
@@ -195,4 +195,5 @@
 	/*Check to prevent dividing by zero if vmag==0*/
 	if(vmag==0.) alpha2=0.;
+	else if (Neff==0) alpha2=0.0;
 	else alpha2= Neff * C_param * pow((Chi/(1 + alpha * pow(Chi,q_exp))),1/n) * 1/vmag;
 	_assert_(!xIsNan<IssmDouble>(alpha2));