diff --git a/jme3-core/src/main/java/com/jme3/material/Material.java b/jme3-core/src/main/java/com/jme3/material/Material.java
index 2f0bdb476..c0d7d11e8 100644
--- a/jme3-core/src/main/java/com/jme3/material/Material.java
+++ b/jme3-core/src/main/java/com/jme3/material/Material.java
@@ -841,7 +841,7 @@ public class Material implements CloneableSmartAsset, Cloneable, Savable {
             Quaternion tmpLightDirection = vars.quat1;
             Quaternion tmpLightPosition = vars.quat2;
             ColorRGBA tmpLightColor = vars.color;
-            Vector4f tmpVec = vars.vect4f;
+            Vector4f tmpVec = vars.vect4f1;
 
             ColorRGBA color = l.getColor();
             tmpLightColor.set(color);
diff --git a/jme3-core/src/main/java/com/jme3/util/TempVars.java b/jme3-core/src/main/java/com/jme3/util/TempVars.java
index 54f56243b..a7bd088b8 100644
--- a/jme3-core/src/main/java/com/jme3/util/TempVars.java
+++ b/jme3-core/src/main/java/com/jme3/util/TempVars.java
@@ -179,7 +179,8 @@ public class TempVars {
     public final Vector3f vect8 = new Vector3f();
     public final Vector3f vect9 = new Vector3f();
     public final Vector3f vect10 = new Vector3f();
-    public final Vector4f vect4f = new Vector4f();
+    public final Vector4f vect4f1 = new Vector4f();
+    public final Vector4f vect4f2 = new Vector4f();
     public final Vector3f[] tri = {new Vector3f(),
         new Vector3f(),
         new Vector3f()};