diff --git a/jme3-core/src/main/java/com/jme3/shader/DefineList.java b/jme3-core/src/main/java/com/jme3/shader/DefineList.java
index d4ee84fc51..18dedc13d1 100644
--- a/jme3-core/src/main/java/com/jme3/shader/DefineList.java
+++ b/jme3-core/src/main/java/com/jme3/shader/DefineList.java
@@ -129,7 +129,8 @@ public void clear() {
     }
 
     public boolean getBoolean(int id) {
-        return values[id] != 0;
+        final int[] vals = this.values;
+        return vals[id] != 0;
     }
 
     public float getFloat(int id) {