diff --git a/src/element/types.ts b/src/element/types.ts
index 2980263bf..c718504cf 100644
--- a/src/element/types.ts
+++ b/src/element/types.ts
@@ -21,7 +21,7 @@ type _ExcalidrawElementBase = Readonly<{
   strokeWidth: number;
   strokeStyle: StrokeStyle;
   strokeSharpness: StrokeSharpness;
-  roughness: number;
+  roughness: 0 | 1 | 2;
   opacity: number;
   width: number;
   height: number;
diff --git a/src/types.ts b/src/types.ts
index 785326d8c..94b8f9148 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -55,7 +55,7 @@ export type AppState = {
   currentItemFillStyle: ExcalidrawElement["fillStyle"];
   currentItemStrokeWidth: number;
   currentItemStrokeStyle: ExcalidrawElement["strokeStyle"];
-  currentItemRoughness: number;
+  currentItemRoughness: ExcalidrawElement["roughness"];
   currentItemOpacity: number;
   currentItemFontFamily: FontFamily;
   currentItemFontSize: number;