diff --git a/src/away3d/bounds/AxisAlignedBoundingBox.as b/src/away3d/bounds/AxisAlignedBoundingBox.as
index 3a75395db..898250d63 100644
--- a/src/away3d/bounds/AxisAlignedBoundingBox.as
+++ b/src/away3d/bounds/AxisAlignedBoundingBox.as
@@ -322,6 +322,8 @@ package away3d.bounds
 			_max.x = _centerX + _halfExtentsX;
 			_max.y = _centerY + _halfExtentsY;
 			_max.z = _centerZ + _halfExtentsZ;
+
+			_aabbPointsDirty = true;
 		}
 	}
 }