diff --git python-emcee/python-emcee.spec python-emcee/python-emcee.spec.tmp
index 4b61b3fcda..ba66a84e1b 100644
--- python-emcee/python-emcee.spec
+++ python-emcee/python-emcee.spec.tmp
@@ -9,7 +9,7 @@ used in several published projects in the Astrophysics literature.
 
 Name: python-%{srcname}
 Version: 2.2.1
-Release: 4%{?dist}
+Release: 5%{?dist}
 Summary: The Python ensemble sampling toolkit for affine-invariant MCMC
 License: MIT
 
@@ -18,14 +18,22 @@ Source0: https://pypi.io/packages/source/e/emcee/emcee-%{version}.tar.gz
 BuildRequires: python2-devel 
 BuildRequires: python-nose numpy
 BuildArch: noarch
-Requires: numpy
 
 %{?python_provide:%python_provide python-%{srcname}}
 
 
-%description
+%global _description\
 %{common_description}
 
+%description %_description
+
+%package -n python2-%{srcname}
+Summary: %summary
+Requires: numpy
+%{?python_provide:%python_provide python2-%{srcname}}
+
+%description -n python2-%{srcname} %_description
+
 %if 0%{?with_python3}
 %package -n python3-%{srcname}
 Summary: The Python ensemble sampling toolkit for affine-invariant MCMC
@@ -83,7 +91,7 @@ popd
 %endif # with_python3
 
  
-%files
+%files -n python2-%{srcname}
 %doc AUTHORS.rst HISTORY.rst README.rst 
 %license LICENSE
 %{python2_sitelib}/*
@@ -96,6 +104,10 @@ popd
 %endif # with_python3
 
 %changelog
+* Sat Aug 12 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 2.2.1-5
+- Python 2 binary package renamed to python2-emcee
+  See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.2.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild