diff --git a/pytest.spec b/pytest.spec
index fe49882..4be5df9 100644
--- a/pytest.spec
+++ b/pytest.spec
@@ -120,7 +120,7 @@ sed -i 's/"endline": "\\x1b\[90m\\x1b\[39;49;00m",/"endline": "",/' testing/conf
 
 %if %{with docs}
 for l in doc/* ; do
-  %make_build -C $l html PYTHONPATH=%{pyproject_build_lib}
+  %make_build -C $l html PYTHONPATH="$(pwd)/src"
 done
 for f in README CHANGELOG CONTRIBUTING ; do
   rst2html ${f}.rst > ${f}.html