diff --git a/docs/Lua API.rst b/docs/Lua API.rst
index d9bbfed55..66c2a5a07 100644
--- a/docs/Lua API.rst	
+++ b/docs/Lua API.rst	
@@ -3621,6 +3621,8 @@ Or with auto_gears::
     auto_gears=true
     }
 
+.. _luasocket:
+
 Luasocket
 =========