diff --git a/flextype/twig/GlobalVarsTwigExtension.php b/flextype/twig/GlobalVarsTwigExtension.php
index 8c50b742..76c6a067 100644
--- a/flextype/twig/GlobalVarsTwigExtension.php
+++ b/flextype/twig/GlobalVarsTwigExtension.php
@@ -39,7 +39,7 @@ class GlobalVarsTwigExtension extends \Twig_Extension implements \Twig_Extension
             'PATH_CONFIG_DEFAULT' => PATH['config']['default'],
             'PATH_CONFIG_SITE' => PATH['config']['site'],
             'PATH_CACHE' => PATH['cache'],
-            'flextype_version' => FLEXTYPE_VERSION,
+            'FLEXTYPE_VERSION' => FLEXTYPE_VERSION,
             'registry' => $this->flextype['registry']->dump()
         ];
     }