diff --git a/doc/conf.py b/doc/conf.py
index 141a3355..44e908e0 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -38,7 +38,10 @@ except ImportError:
     print "no sphinx"
 
 parent = os.path.dirname(os.path.dirname(__file__))
-sys.path.append(os.path.abspath(parent))
+sys.path.insert(0, os.path.abspath(parent))
+
+parent = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'GPy')
+sys.path.insert(0, os.path.abspath(parent))
 
 #APP_DIR = os.path.normpath(os.path.join(os.getcwd(), '../'))
 #PACKAGE_DIR1 = os.path.normpath(os.path.join(os.getcwd(), '../'))