diff --git a/src/Resources/config/services.yml b/src/Resources/config/services.yml
index 36ba21f..56d31e5 100644
--- a/src/Resources/config/services.yml
+++ b/src/Resources/config/services.yml
@@ -8,7 +8,9 @@ services:
     calls:
       - [ setGenerator, [ "@noccylabs.pdf.generator" ]]
 
-  noccylabs.pdf.generator:
-    class: NoccyLabs\Bundle\PdfBundle\Pdf\PdfGenerator
+  NoccyLabs\Bundle\PdfBundle\Pdf\PdfGenerator:
     arguments: [ "%kernel.cache_dir%" ]
     public: true
+
+  noccylabs.pdf.generator:
+    alias: NoccyLabs\Bundle\PdfBundle\Pdf\PdfGenerator