diff --git a/examples/jsm/nodes/accessors/UVNode.js b/examples/jsm/nodes/accessors/UVNode.js
index 63c5d943545948..74b507e4a604de 100644
--- a/examples/jsm/nodes/accessors/UVNode.js
+++ b/examples/jsm/nodes/accessors/UVNode.js
@@ -18,7 +18,7 @@ class UVNode extends AttributeNode {
 
 		const index = this.index;
 
-		return 'uv' + ( index > 0 ? index + 1 : '' );
+		return 'uv' + ( index > 0 ? index : '' );
 
 	}
 
diff --git a/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js b/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js
index c964db64284c80..eb7698de6252fd 100644
--- a/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js
+++ b/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js
@@ -501,7 +501,7 @@ class WebGLNodeBuilder extends NodeBuilder {
 			for ( const attribute of attributes ) {
 
 				// ignore common attributes to prevent redefinitions
-				if ( attribute.name === 'uv' || attribute.name === 'position' || attribute.name === 'normal' )
+				if ( /^(position|normal|uv\d?)$/.test( attribute.name ) )
 					continue;
 
 				snippet += `attribute ${attribute.type} ${attribute.name}; `;
diff --git a/playground/index.html b/playground/index.html
index caf52018180e43..9f34831634ffa5 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -127,7 +127,6 @@
 				//
 
 				renderer.setAnimationLoop( render );
-				renderer.outputEncoding = THREE.sRGBEncoding;
 				renderer.toneMapping = THREE.LinearToneMapping;
 				renderer.toneMappingExposure = 1;
 				document.body.appendChild( renderer.domElement );