diff --git a/src/framework/theme/components/button/button.component.ts b/src/framework/theme/components/button/button.component.ts
index e987fdeab1..6c14e3bbe6 100644
--- a/src/framework/theme/components/button/button.component.ts
+++ b/src/framework/theme/components/button/button.component.ts
@@ -258,7 +258,7 @@ export class NbButtonComponent {
    * Adds `outline` styles
    * @param {boolean} val
    */
-  @Input()
+  @Input('outline')
   set setOutline(val: boolean) {
     this.outline = convertToBoolProperty(val);
   }