diff --git a/debian/changelog b/debian/changelog
index 218bc0f..78bac6b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,7 @@ python-oslo.db (1.0.0-1) experimental; urgency=medium
   * Updated (build-)depends for this release.
   * Allow the unit tests to fail because they don't work with the namespace of
     oslo :(.
+  * Added PYTHONPATH=. when generating sphinx doc.
 
  -- Thomas Goirand <zigo@debian.org>  Fri, 19 Sep 2014 22:34:16 +0800
 
diff --git a/debian/rules b/debian/rules
index 89611f1..8cee52f 100755
--- a/debian/rules
+++ b/debian/rules
@@ -40,7 +40,7 @@ override_dh_clean:
 
 override_dh_sphinxdoc:
 ifeq (,$(findstring nodocs, $(DEB_BUILD_OPTIONS)))
-	sphinx-build -b html doc/source debian/python-oslo.db-doc/usr/share/doc/python-oslo.db-doc/html
+	PYTHONPATH=. sphinx-build -b html doc/source debian/python-oslo.db-doc/usr/share/doc/python-oslo.db-doc/html
 	dh_sphinxdoc -O--buildsystem=python_distutils
 endif