diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0380d5..e124e0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.6.2] - 20223-12-04
+- Fixed: possible exception on cache warmup
+
 ## [1.6.1] - 20223-11-23
 - Fixed: templates in project /contao/templates folder not found
 
diff --git a/src/Cache/TemplateCache.php b/src/Cache/TemplateCache.php
index 7d22655..202401e 100644
--- a/src/Cache/TemplateCache.php
+++ b/src/Cache/TemplateCache.php
@@ -8,6 +8,7 @@
 
 namespace HeimrichHannot\TwigSupportBundle\Cache;
 
+use Contao\CoreBundle\Framework\ContaoFramework;
 use HeimrichHannot\TwigSupportBundle\Filesystem\TwigTemplateLocator;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface;
@@ -19,22 +20,18 @@ class TemplateCache implements CacheWarmerInterface, CacheClearerInterface
     public const TEMPLATES_WITH_EXTENSION_CACHE_KEY = 'templates_with_extension';
     public const TEMPLATES_WITHOUT_EXTENSION_CACHE_KEY = 'templates_without_extension';
 
-    /**
-     * @var TwigTemplateLocator
-     */
-    protected $templateLocator;
-    /**
-     * @var FilesystemAdapter
-     */
-    protected $templateCache;
+    protected TwigTemplateLocator $templateLocator;
+    protected FilesystemAdapter $templateCache;
+    private ContaoFramework $contaoFramework;
 
     /**
      * TemplateCacheWarmer constructor.
      */
-    public function __construct(TwigTemplateLocator $templateLocator, FilesystemAdapter $templateCache)
+    public function __construct(TwigTemplateLocator $templateLocator, FilesystemAdapter $templateCache, ContaoFramework $contaoFramework)
     {
         $this->templateLocator = $templateLocator;
         $this->templateCache = $templateCache;
+        $this->contaoFramework = $contaoFramework;
     }
 
     public function isOptional()
@@ -44,6 +41,8 @@ public function isOptional()
 
     public function warmUp($cacheDir)
     {
+        $this->contaoFramework->initialize();
+
         $this->templateCache->save(
             $this->templateCache
                 ->getItem(static::TEMPLATES_WITH_EXTENSION_CACHE_KEY)