diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index 126d68a7a4..c9c730ac6e 100644
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -4707,17 +4707,17 @@ export const LinePieces: number;
 export class LineSegments extends Line {
     constructor(
         geometry?: Geometry | BufferGeometry,
-        material?: LineDashedMaterial | LineBasicMaterial | ShaderMaterial,
+        material?: LineDashedMaterial | LineBasicMaterial | ShaderMaterial | (LineDashedMaterial | LineBasicMaterial | ShaderMaterial)[],
         mode?: number
     );
 }
 
 export class Mesh extends Object3D {
-    constructor(geometry?: Geometry, material?: Material);
-    constructor(geometry?: BufferGeometry, material?: Material);
+    constructor(geometry?: Geometry, material?: Material | Material []);
+    constructor(geometry?: BufferGeometry, material?: Material | Material []);
 
     geometry: Geometry|BufferGeometry;
-    material: Material;
+    material: Material | Material[];
     drawMode: TrianglesDrawModes;
 
     setDrawMode(drawMode: TrianglesDrawModes): void;