diff --git a/src/textures/VideoTexture.js b/src/textures/VideoTexture.js
index 848b23d249f7bb4ded06f13a701f99774a52ab76..e07c312bb15cde8561f67cff1bb8c46cd269a931 100644
--- a/src/textures/VideoTexture.js
+++ b/src/textures/VideoTexture.js
@@ -2,10 +2,13 @@
  * @author mrdoob / http://mrdoob.com/
  */
 
+import { RGBFormat } from '../constants.js';
 import { Texture } from './Texture.js';
 
 function VideoTexture( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {
 
+	if ( format === undefined ) format = RGBFormat;
+
 	Texture.call( this, video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );
 
 	this.generateMipmaps = false;