diff --git a/python-flit.spec b/python-flit.spec
index 610eb88..0b5a08d 100644
--- a/python-flit.spec
+++ b/python-flit.spec
@@ -1,17 +1,12 @@
-# These require packages that are built using this package itself.
-%global with_loop 0
-
 # cannot enable tests at the moment.
 # Need to package requestes_download
 %global with_test 0
 
-%global python3_wheelname %{srcname}-%{version}-py3-none-any.whl
-
 %global srcname flit
 
 Name:		python-%{srcname}
 Version:	2.1.0
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Simplified packaging of Python modules
 
 # ./flit/logo.py  under ASL 2.0 license
@@ -30,19 +25,20 @@ BuildRequires:	python3-pygments
 BuildRequires:	python3-pytoml
 
 %if 0%{?with_test}
+BuildRequires:	/usr/bin/python
 BuildRequires:	python3-pytest
 BuildRequires:	python3-responses
 
-
 # Requires flit to build:
 BuildRequires:	python3-testpath
+BuildRequires:	python3-requests-download
 %endif
 
 # https://pypi.python.org/pypi/tornado
 # ./flit/logo.py unkown version
 Provides:    bundled(python-tornado)
 
-%description
+%global _description %{expand:
 Flit is a simple way to put Python packages and modules on PyPI.
 
 Flit only creates packages in the new 'wheel' format. People using older
@@ -53,35 +49,32 @@ name as the name on PyPI. All sub-packages and data files within a package are
 included automatically.
 
 Flit requires Python 3, but you can use it to distribute modules for Python 2,
-so long as they can be imported on Python 3.
+so long as they can be imported on Python 3.}
+
+%description %_description
 
 
 %package -n python3-%{srcname}
 Summary:	%{summary}
 %{?python_provide:%python_provide python3-%{srcname}}
+Requires:	python3-%{srcname}-core = %{version}-%{release}
 
-Requires:	python3-requests
-Requires:	python3-docutils
-Requires:	python3-pytoml
-%if 0%{?with_loop}
-Requires:	python3-requests-download
-%endif
 
 # soft dependency: (WARNING) Cannot analyze code. Pygments package not found.
 Recommends:	python3-pygments
 
-%description -n python3-%{srcname}
-Flit is a simple way to put Python packages and modules on PyPI.
+%description -n python3-%{srcname} %_description
 
-Flit only creates packages in the new 'wheel' format. People using older
-versions of pip (<1.5) or easy_install will not be able to install them.
 
-Flit packages a single importable module or package at a time, using the import
-name as the name on PyPI. All subpackages and data files within a package are
-included automatically.
+%package -n python3-%{srcname}-core
+Summary:	PEP 517 build backend for packages using Flit
+%{?python_provide:%python_provide python3-%{srcname}-core}
+Conflicts:	python3-%{srcname} < 2.1.0-2
 
-Flit requires Python 3, but you can use it to distribute modules for Python 2,
-so long as they can be imported on Python 3.
+%description -n python3-%{srcname}-core
+This provides a PEP 517 build backend for packages using Flit.
+The only public interface is the API specified by PEP 517,
+at flit_core.buildapi.
 
 
 %prep
@@ -89,27 +82,51 @@ so long as they can be imported on Python 3.
 
 %build
 export FLIT_NO_NETWORK=1
-%py3_build
+
+# first, build flit_core with self
+# TODO do it in a less hacky way, this is reconstructed from pyoroject.toml
+cd flit_core
+PYTHONPATH=$(pwd) %{python3} -c 'from flit_core.build_thyself import build_wheel; build_wheel(".")'
+
+# %%py3_install_wheel unfortunately hardcodes installing from dist/
+mkdir ../dist
+mv flit_core-%{version}-py2.py3-none-any.whl ../dist
+cd -
+
+PYTHONPATH=$(pwd):$(pwd)/flit_core %{python3} -m flit build --format wheel
 
 
 %install
-%py3_install
+%py3_install_wheel flit_core-%{version}-py2.py3-none-any.whl
+%py3_install_wheel flit-%{version}-py3-none-any.whl
 
 
 %if 0%{?with_test}
 %check
-py.test-3
+export PYTHONPATH=%{buildroot}%{python3_sitelib}
+pytest-3
 %endif
 
 
 %files -n python3-%{srcname}
 %license LICENSE
 %doc README.rst
-%{python3_sitelib}/%{srcname}*egg-info
-%{python3_sitelib}/%{srcname}/
+%{python3_sitelib}/flit-*.dist-info/
+%{python3_sitelib}/flit/
+%{_bindir}/flit
+
+
+%files -n python3-%{srcname}-core
+%license LICENSE
+%doc flit_core/README.rst
+%{python3_sitelib}/flit_core-*.dist-info/
+%{python3_sitelib}/flit_core/
 
 
 %changelog
+* Sat Dec 14 2019 Miro Hrončok <mhroncok@redhat.com> - 2.1.0-2
+- Properly package flit-core and restore /usr/bin/flit (#1783610)
+
 * Tue Dec 03 2019 Mukundan Ragavan <nonamedotc@fedoraproject.org> - 2.1.0-1
 - Update to 2.1.0