diff --git a/templating/twig_extension.rst b/templating/twig_extension.rst
index cd30c6a3945..6e791e2758a 100644
--- a/templating/twig_extension.rst
+++ b/templating/twig_extension.rst
@@ -72,6 +72,7 @@ you're done! Symfony will automatically know about your new service and add the
 
 You can now start using your filter in any Twig template.
 
+.. _lazy-loaded-twig-extensions
 Creating Lazy-Loaded Twig Extensions
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