diff --git a/doc/build.py b/doc/build.py
index 5f8ba523cc..cb083aa58f 100644
--- a/doc/build.py
+++ b/doc/build.py
@@ -5,7 +5,7 @@ from os import path
 from sphinx.util.console import nocolor
 from sphinx.application import Sphinx
 
-srcdir = confdir = path.abspath('.')
+srcdir = confdir = path.abspath(path.normpath(path.dirname(__file__)))
 outdir = os.path.join(srcdir, 'html')
 static_dir = os.path.join(srcdir, 'static')
 doctreedir = path.join(outdir, '.doctrees')