diff --git a/src/renderers/webgl/WebGLTextures.js b/src/renderers/webgl/WebGLTextures.js
index d5a1dfba537b4c..4ba52877e329d2 100644
--- a/src/renderers/webgl/WebGLTextures.js
+++ b/src/renderers/webgl/WebGLTextures.js
@@ -709,6 +709,8 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 		state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture );
 
 		_gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY );
+		_gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha );
+		_gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment );
 
 		const isCompressed = ( texture && ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ) );
 		const isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture );