diff --git a/examples/jsm/renderers/webgl/WebGLBackend.js b/examples/jsm/renderers/webgl/WebGLBackend.js
index f998fe5f809906..ca9ee5e7ba065b 100644
--- a/examples/jsm/renderers/webgl/WebGLBackend.js
+++ b/examples/jsm/renderers/webgl/WebGLBackend.js
@@ -550,9 +550,7 @@ class WebGLBackend extends Backend {
 	generateMipmaps( texture ) {
 
 		const { gl } = this;
-		const { glTextureType } = this.get( texture );
-
-		this._bindTexture( texture );
+		const { glTextureType } = this._bindTexture( texture );
 
 		gl.generateMipmap( glTextureType );
 
@@ -762,12 +760,8 @@ class WebGLBackend extends Backend {
 
 			} else if ( binding.isSampledTexture ) {
 
-				const { textureGPU, glTextureType } = this.get( binding.texture );
-
 				this.set( binding, {
-					index: textureIndex ++,
-					textureGPU,
-					glTextureType
+					index: textureIndex ++
 				} );
 
 			}
@@ -942,6 +936,8 @@ class WebGLBackend extends Backend {
 
 		}
 
+		return textureData;
+
 	}
 
 }