diff --git a/types/chart.js/index.d.ts b/types/chart.js/index.d.ts
index fbc29a95c7..e765aea54c 100644
--- a/types/chart.js/index.d.ts
+++ b/types/chart.js/index.d.ts
@@ -19,6 +19,7 @@
 //                 Martin Trobäck <https://github.com/lekoaf>
 //                 Elian Cordoba <https://github.com/ElianCordoba>
 //                 Takuya Uehara <https://github.com/indigolain>
+//                 Ricardo Mello <https://github.com/ricardo-mello>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -639,7 +640,7 @@ declare namespace Chart {
     interface CommonAxe {
         bounds?: string;
         type?: ScaleType | string;
-        display?: boolean;
+        display?: boolean | string;
         id?: string;
         stacked?: boolean;
         position?: string;