diff --git a/python-Sphinx.changes b/python-Sphinx.changes
index 13d7ad2..e6b3f52 100644
--- a/python-Sphinx.changes
+++ b/python-Sphinx.changes
@@ -1,6 +1,7 @@
 -------------------------------------------------------------------
 Mon May  4 10:17:24 UTC 2020 - Jan Zerebecki <jzerebecki@suse.com>
 
+- Add python3.inv as a specific Source.
 - update to version 3.0.3
   * Features added
     * C, parse array declarators with static, qualifiers, and VLA specification.
diff --git a/python-Sphinx.spec b/python-Sphinx.spec
index 539f1eb..b2a4ef3 100644
--- a/python-Sphinx.spec
+++ b/python-Sphinx.spec
@@ -36,6 +36,7 @@ Group:          Development/Languages/Python
 URL:            http://sphinx-doc.org
 Source:         https://files.pythonhosted.org/packages/source/S/Sphinx/Sphinx-%{version}.tar.gz
 Source1:        https://files.pythonhosted.org/packages/source/S/Sphinx/Sphinx-%{version}.tar.gz.asc
+Source2:        python3.inv
 Source99:       python-Sphinx-rpmlintrc
 BuildRequires:  %{python_module base}
 BuildRequires:  %{python_module setuptools}
@@ -72,12 +73,12 @@ BuildRequires:  %{python_module Sphinx = %{version}}
 BuildRequires:  %{python_module Sphinx-latex = %{version}}
 BuildRequires:  %{python_module doc}
 BuildRequires:  %{python_module html5lib}
+BuildRequires:  %{python_module mypy}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module sphinxcontrib-websupport}
+BuildRequires:  %{python_module testsuite}
+BuildRequires:  %{python_module typed-ast}
 BuildRequires:  ImageMagick
-BuildRequires:  python3-mypy
-BuildRequires:  python3-testsuite
-BuildRequires:  python3-typed-ast
 %endif
 %python_subpackages
 
@@ -233,15 +234,15 @@ mkdir build.doc
 # python3-doc 3.6.5-lp151.5.4 from Leap 15.1
 # doesn't have one necessary entry in python3.inv
 # so use a copy from version 3.8.2-3.1 from Tumbleweed
-cp %_sourcedir/python3.inv doc/python3.inv
+cp %{SOURCE2} doc/python3.inv
 %else
-cp /usr/share/doc/packages/python3/html/objects.inv doc/python3.inv
+%python_expand cp %{_defaultdocdir}/%{$python_prefix}/html/objects.inv doc/%{$python_prefix}.inv
 %endif
-sed -i -e "s/\(intersphinx_mapping = ..python.: (.https:..docs.python.org.3.., \)None\()}\)/\1'python3.inv'\2/g" doc/conf.py
+%python_expand sed -i -e "s/\(intersphinx_mapping = ..python.: (.https:..docs.python.org.3.., \)None\()}\)/\1'%{$python_prefix}.inv'\2/g" doc/conf.py
 # fix file not found error
 sed -i -e 's/.. include:: ...CODE_OF_CONDUCT//g' doc/code_of_conduct.rst
-python3 setup.py build_sphinx && rm build/sphinx/html/.buildinfo
-python3 setup.py build_sphinx -b man
+%python_exec setup.py build_sphinx && rm build/sphinx/html/.buildinfo
+%python_exec setup.py build_sphinx -b man
 
 mv build/sphinx/{html,man} build.doc/
 %endif