diff --git a/doc/setup.rst b/doc/setup.rst
index 918f42baea..e4165bbdda 100644
--- a/doc/setup.rst
+++ b/doc/setup.rst
@@ -125,6 +125,8 @@ by invoking:
     composer update --no-dev
 
 
+.. _composer:
+
 Installing using Composer
 +++++++++++++++++++++++++