diff --git a/src/PersistentData/Model/ModelWithSlug.php b/src/PersistentData/Model/ModelWithSlug.php
index 2d69ebb..e691f26 100644
--- a/src/PersistentData/Model/ModelWithSlug.php
+++ b/src/PersistentData/Model/ModelWithSlug.php
@@ -20,16 +20,13 @@ abstract class ModelWithSlug extends Model
 
     public function getSlug(): string
     {
-        if ($this->slug === null) {
-            $this->slug = $this->generateSlug();
-        }
-
         return $this->slug;
     }
 
-    private function generateSlug(): string
+    public function generateSlug(): string
     {
         $slugSourceGetMethod = 'get' . str_replace('_', '', ucwords(static::$slugSource, '_'));
-        return Slugify::create()->slugify($this->$slugSourceGetMethod());
+        $this->slug = Slugify::create()->slugify($this->$slugSourceGetMethod());
+        return $this->slug;
     }
 }