diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index a160641d99..02cbe672e8 100644
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -2626,7 +2626,7 @@ export interface MeshStandardMaterialParameters extends MaterialParameters {
     bumpMap?: Texture;
     bumpScale?: number;
     normalMap?: Texture;
-    normalScale?: number;
+    normalScale?: Vector2;
     displacementMap?: Texture;
     displacementScale?: number;
     displacementBias?: number;