diff --git a/src/Abstract/Entity/HeaderBar.php b/src/Abstract/Entity/HeaderBar.php
index 8d69e6c3..ce8ba6e6 100644
--- a/src/Abstract/Entity/HeaderBar.php
+++ b/src/Abstract/Entity/HeaderBar.php
@@ -10,6 +10,7 @@ abstract class HeaderBar
 
     protected bool $_actions = true;
     protected string $_title = 'Yoda';
+    protected string $_subtitle = '';
 
     public function __construct()
     {
@@ -22,6 +23,10 @@ abstract class HeaderBar
         $this->gtk->set_title(
             $this->_title
         );
+
+        $this->gtk->set_subtitle(
+            $this->_subtitle
+        );
     }
 
     public function setTitle(