Index: ../trunk-jpl/src/c/classes/Loads/Friction.cpp
===================================================================
--- ../trunk-jpl/src/c/classes/Loads/Friction.cpp	(revision 18987)
+++ ../trunk-jpl/src/c/classes/Loads/Friction.cpp	(revision 18988)
@@ -190,7 +190,7 @@
 		alpha=(pow(q_exp-1,q_exp-1))/pow(q_exp,q_exp);
 	}
 	Chi=vmag/(pow(C_param,n)*pow(Neff,n)*As);
-	alpha2= Neff * C_param * pow((Chi/(1 + alpha * pow(Chi,q))),1/n) * 1/vmag;
+	alpha2= Neff * C_param * pow((Chi/(1 + alpha * pow(Chi,q_exp))),1/n) * 1/vmag;
 	_assert_(!xIsNan<IssmDouble>(alpha2));
 	/*Assign output pointers:*/
 	*palpha2=alpha2;
