diff --git a/examples/jsm/nodes/core/Node.d.ts b/examples/jsm/nodes/core/Node.d.ts
index bcf508e911f794..09c99559a9f220 100644
--- a/examples/jsm/nodes/core/Node.d.ts
+++ b/examples/jsm/nodes/core/Node.d.ts
@@ -8,7 +8,7 @@ export class Node {
 	name: string;
 	type: string | undefined;
 	userData: object;
-  readonly isNode: true;
+	readonly isNode: true;
 	frameId: number | undefined;
 
 	analyze( builder: NodeBuilder, settings?: object ): void;