diff --git a/CHANGES b/CHANGES
index 6a70f99a1..077345a6b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,7 +4,8 @@ Release 1.5.1 (in development)
 Bugs fixed
 ----------
 
-* #3195: Can not build in parallel.
+* #3195: Can not build in parallel
+* #3198: AttributeError is raised when toctree has 'self'
 
 
 Release 1.5 (released Dec 5, 2016)
diff --git a/sphinx/environment/managers/toctree.py b/sphinx/environment/managers/toctree.py
index d4848a72c..e96143754 100644
--- a/sphinx/environment/managers/toctree.py
+++ b/sphinx/environment/managers/toctree.py
@@ -270,7 +270,7 @@ class Toctree(EnvironmentManager):
                         # toctree originates
                         ref = toctreenode['parent']
                         if not title:
-                            title = clean_astext(self.titles[ref])
+                            title = clean_astext(self.env.titles[ref])
                         reference = nodes.reference('', '', internal=True,
                                                     refuri=ref,
                                                     anchorname='',
diff --git a/tests/root/contents.txt b/tests/root/contents.txt
index ce0e5d3fa..d5ff24115 100644
--- a/tests/root/contents.txt
+++ b/tests/root/contents.txt
@@ -34,6 +34,8 @@ Contents:
    Latest reference <http://sphinx-doc.org/latest/>
    Python <http://python.org/>
 
+   self
+
 Indices and tables
 ==================