diff --git a/examples/jsm/geometries/RoundedBoxBufferGeometry.ts b/examples/jsm/geometries/RoundedBoxBufferGeometry.d.ts
similarity index 91%
rename from examples/jsm/geometries/RoundedBoxBufferGeometry.ts
rename to examples/jsm/geometries/RoundedBoxBufferGeometry.d.ts
index d77f1dd1d6ba43..518fd7dc39bc69 100644
--- a/examples/jsm/geometries/RoundedBoxBufferGeometry.ts
+++ b/examples/jsm/geometries/RoundedBoxBufferGeometry.d.ts
@@ -1,5 +1,5 @@
 import {
-	BufferGeometry
+	BoxBufferGeometry
 } from '../../../src/Three';
 
 export class RoundedBoxBufferGeometry extends BoxBufferGeometry {