diff --git a/src/cameras/CubeCamera.js b/src/cameras/CubeCamera.js
index b2caa32cc473cc79dd67e4406882c1c5ee4581f2..8646190d98061888785ac27ad5c58e5d1452ab8a 100644
--- a/src/cameras/CubeCamera.js
+++ b/src/cameras/CubeCamera.js
@@ -47,6 +47,8 @@ THREE.CubeCamera = function ( near, far, cubeResolution ) {
 
 	this.updateCubeMap = function ( renderer, scene ) {
 
+		if ( this.parent === undefined ) this.updateMatrixWorld();
+
 		var renderTarget = this.renderTarget;
 		var generateMipmaps = renderTarget.generateMipmaps;