diff --git a/doc/subdir2/included.ipynb b/doc/subdir2/included.ipynb
index bc3af168..e7f1c25b 100644
--- a/doc/subdir2/included.ipynb
+++ b/doc/subdir2/included.ipynb
@@ -49,9 +49,6 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.5.1+"
-  },
-  "nbsphinx": {
-   "orphan": true
   }
  },
  "nbformat": 4,
diff --git a/nbsphinx.py b/nbsphinx.py
index 3b884a71..fc0bfad3 100644
--- a/nbsphinx.py
+++ b/nbsphinx.py
@@ -401,11 +401,12 @@ def get_transforms(self):
         return rst.Parser.get_transforms(self) + [ProcessLocalLinks,
                                                   CreateSectionLabels]
 
-    def parse(self, inputstring, document):
+    def parse(self, inputstring, document, srcdir=None):
         """Parse `inputstring`, write results to `document`."""
         nb = nbformat.reads(inputstring, as_version=_ipynbversion)
         env = document.settings.env
-        srcdir = os.path.dirname(env.doc2path(env.docname))
+        if srcdir is None:
+            srcdir = os.path.dirname(env.doc2path(env.docname))
         auxdir = os.path.join(env.doctreedir, 'nbsphinx')
         sphinx.util.ensuredir(auxdir)
 
@@ -585,7 +586,7 @@ def run(self):
         # Use the NotebookParser to get doctree nodes
         nbparser = NotebookParser()
         node = docutils.utils.new_document(path, settings)
-        nbparser.parse(rawtext, node)
+        nbparser.parse(rawtext, node, srcdir=os.path.dirname(path))
         if isinstance(node.children[0], docutils.nodes.field_list):
             return node.children[1:]
         return node.children