diff --git python-oasa/python-oasa.spec python-oasa/python-oasa.spec.tmp
index ad54cbfa41..c5a0f41a37 100644
--- python-oasa/python-oasa.spec
+++ python-oasa/python-oasa.spec.tmp
@@ -2,7 +2,7 @@
 
 Name:		python-oasa
 Version:	0.13.1
-Release:	14%{?dist}
+Release:	15%{?dist}
 Summary:	Python library for manipulation of chemical formats
 Group:		Development/Libraries
 License:	GPLv2+
@@ -13,10 +13,18 @@ BuildArch:	noarch
 BuildRequires:	python-devel
 
 
-%description
-Free python library for manipulating and analyzing chemical structures
+%global _description\
+Free python library for manipulating and analyzing chemical structures\
 
 
+%description %_description
+
+%package -n python2-oasa
+Summary: %summary
+%{?python_provide:%python_provide python2-oasa}
+
+%description -n python2-oasa %_description
+
 %prep
 %setup -q -n oasa-%{version}
 
@@ -34,7 +42,7 @@ Free python library for manipulating and analyzing chemical structures
 %{__rm} -rf %{buildroot}
 
 
-%files
+%files -n python2-oasa
 %defattr(-, root ,root, -)
 %doc PKG-INFO progress.log README
 %{python_sitelib}/oasa/
@@ -43,6 +51,10 @@ Free python library for manipulating and analyzing chemical structures
 
 
 %changelog
+* Sat Aug 12 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 0.13.1-15
+- Python 2 binary package renamed to python2-oasa
+  See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.13.1-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild