@@ -2790,7 +2790,7 @@ THREE.WebGLRenderer = function ( parameters ) {
_lights.shadows.length = shadowsLength;
- _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength;
+ _lights.hash = directionalLength + ',' + pointLength + ',' + spotLength + ',' + hemiLength + ',' + shadowsLength;
}