diff --git a/engine/src/jbullet/com/jme3/bullet/collision/shapes/ConeCollisionShape.java b/engine/src/jbullet/com/jme3/bullet/collision/shapes/ConeCollisionShape.java
index 834f86def..2dc27dcb1 100644
--- a/engine/src/jbullet/com/jme3/bullet/collision/shapes/ConeCollisionShape.java
+++ b/engine/src/jbullet/com/jme3/bullet/collision/shapes/ConeCollisionShape.java
@@ -71,7 +71,7 @@ public class ConeCollisionShape extends CollisionShape {
         this.height = height;
         this.axis = axis;
         if (axis < PhysicsSpace.AXIS_X || axis > PhysicsSpace.AXIS_Z) {
-            throw new InvalidArgumentException("axis must be one of the PhysicsSpace.AXIS_* constants!");
+            throw new UnsupportedOperationException("axis must be one of the PhysicsSpace.AXIS_* constants!");
         }
         createShape();
     }