Index: /issm/trunk-jpl/src/c/classes/Elements/Element.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Elements/Element.cpp	(revision 21111)
+++ /issm/trunk-jpl/src/c/classes/Elements/Element.cpp	(revision 21112)
@@ -85,4 +85,6 @@
 			vz = 0.;
 			dvz[0] = 0.; dvz[1] = 0.; dvz[2] = 0.;
+			dvx[2]= 0.;
+			dvy[2]= 0.;
 		}
 		/*Calculate velocity magnitude and its derivative*/
Index: /issm/trunk-jpl/src/c/classes/Materials/Matestar.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Materials/Matestar.cpp	(revision 21111)
+++ /issm/trunk-jpl/src/c/classes/Materials/Matestar.cpp	(revision 21112)
@@ -423,4 +423,6 @@
 		dvy[0] = 0.; dvy[1] = 0.; dvy[2] = 0.;
 	}
+	dvx[2] = 0.;
+	dvy[2] = 0.;
 	vz = 0.;
 	dvz[0] = 0.; dvz[1] = 0.; dvz[2] = -dvx[0]-dvy[1];