diff --git a/packages/components/addon/components/hds/button/index.hbs b/packages/components/addon/components/hds/button/index.hbs
index 4c0c86725c..d16a90b6a9 100644
--- a/packages/components/addon/components/hds/button/index.hbs
+++ b/packages/components/addon/components/hds/button/index.hbs
@@ -7,6 +7,7 @@
   @route={{@route}}
   @isRouteExternal={{@isRouteExternal}}
   @href={{@href}}
+  @isHrefExternal={{@isHrefExternal}}
   ...attributes
   aria-label={{if this.isIconOnly this.text null}}
   type={{this.type}}