diff --git a/src/components/segment/segment.ts b/src/components/segment/segment.ts
index dbffd7a485..0e4aede9e8 100644
--- a/src/components/segment/segment.ts
+++ b/src/components/segment/segment.ts
@@ -197,6 +197,7 @@ export class Segment extends Ion {
   /**
    * @input {string} The mode to apply to this component.
    */
+  @Input()
   set mode(val: string) {
     this._setMode('segment', val);
   }