diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index 1ef699622b..ae9e134c21 100644
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -4820,8 +4820,7 @@ export class LineSegments extends Line {
 }
 
 export class Mesh extends Object3D {
-    constructor(geometry?: Geometry, material?: Material | Material []);
-    constructor(geometry?: BufferGeometry, material?: Material | Material []);
+    constructor(geometry?: Geometry | BufferGeometry, material?: Material | Material []);
 
     geometry: Geometry|BufferGeometry;
     material: Material | Material[];