diff --git a/docs/library/index.rst b/docs/library/index.rst
index 21c11d2193..4673270067 100644
--- a/docs/library/index.rst
+++ b/docs/library/index.rst
@@ -85,6 +85,19 @@ library.
       usocket.rst
       uzlib.rst
 
+.. only:: port_esp8266
+
+   .. toctree::
+      :maxdepth: 1
+
+      ubinascii.rst
+      uctypes.rst
+      uhashlib.rst
+      uheapq.rst
+      ujson.rst
+      ure.rst
+      uzlib.rst
+
 .. only:: port_pyboard
 
    Libraries specific to the pyboard