diff --git a/src/Mpociot/Versionable/Version.php b/src/Mpociot/Versionable/Version.php
index a9191d8..ecb13f5 100644
--- a/src/Mpociot/Versionable/Version.php
+++ b/src/Mpociot/Versionable/Version.php
@@ -47,9 +47,13 @@ public function getResponsibleUserAttribute()
      */
     public function getModel()
     {
+        $modelData = is_resource($this->model_data)
+            ? stream_get_contents($this->model_data)
+            : $this->model_data;
+
         $model = new $this->versionable_type();
         $model->unguard();
-        $model->fill(unserialize($this->model_data));
+        $model->fill(unserialize($modelData));
         $model->exists = true;
         $model->reguard();
         return $model;