diff --git a/docs/src/components/helpers.ts b/docs/src/components/helpers.ts
index 4abfcf4f..2d1ca6cd 100644
--- a/docs/src/components/helpers.ts
+++ b/docs/src/components/helpers.ts
@@ -36,7 +36,7 @@ export const getDefaultPropsValue = (componentName:string)=>({
   visible: 'true',
 })
 
-export const getPropsTableData = (componentName:string, excluded=[])=>{
+export const getPropsTableData = (componentName:string, excluded:string[] = [])=>{
   return [
     {
       name: 'height',