diff --git a/_multibuild b/_multibuild
new file mode 100644
index 0000000..fcc7b97
--- /dev/null
+++ b/_multibuild
@@ -0,0 +1,3 @@
+<multibuild>
+  <package>test</package>
+</multibuild>
diff --git a/python-astropy.changes b/python-astropy.changes
index ce37c1f..2fa29fe 100644
--- a/python-astropy.changes
+++ b/python-astropy.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jun  3 07:42:45 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Switch to multibuild to avoid cycle with python-asdf package
+
 -------------------------------------------------------------------
 Wed May 27 09:36:06 UTC 2020 - Petr Gajdos <pgajdos@suse.com>
 
diff --git a/python-astropy.spec b/python-astropy.spec
index 2360502..e4d3b13 100644
--- a/python-astropy.spec
+++ b/python-astropy.spec
@@ -17,6 +17,14 @@
 
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
+%global flavor @BUILD_FLAVOR@%{nil}
+%if "%{flavor}" == "test"
+%define psuffix -test
+%bcond_without test
+%else
+%define psuffix %{nil}
+%bcond_with test
+%endif
 %define binaries fitsdiff fitsheader fitscheck fitsinfo fits2bitmap samp_hub showtable volint wcslint
 %define         skip_python2 1
 Name:           python-astropy
@@ -66,6 +74,7 @@ Recommends:     python-pandas
 Recommends:     python-scikit-image
 Recommends:     python-scipy >= 0.18
 Conflicts:      perl-Data-ShowTable
+%if %{with test}
 # SECTION Optional requirements
 BuildRequires:  %{python_module Bottleneck}
 BuildRequires:  %{python_module Jinja2}
@@ -89,6 +98,7 @@ BuildRequires:  %{python_module pytest-astropy}
 BuildRequires:  %{python_module pytest-doctestplus}
 BuildRequires:  %{python_module pytest-mpl}
 # /SECTION
+%endif
 %python_subpackages
 
 %description
@@ -110,9 +120,12 @@ echo "[build]" >> setup.cfg
 echo "use_system_libraries=1" >> setup.cfg
 
 %build
+%if !%{with test}
 %python_build --use-system-libraries --offline
+%endif
 
 %install
+%if !%{with test}
 %python_install --use-system-libraries --offline
 for b in %{binaries}; do
   %python_clone -a %{buildroot}%{_bindir}/$b
@@ -136,8 +149,10 @@ $python    -m compileall -d %{$python_sitearch} %{buildroot}%{$python_sitearch}/
 $python -O -m compileall -d %{$python_sitearch} %{buildroot}%{$python_sitearch}/astropy/wcs/tests/
 %fdupes %{buildroot}%{$python_sitearch}
 }
+%endif
 
 %check
+%if %{with test}
 export PYTHONDONTWRITEBYTECODE=1
 # http://docs.astropy.org/en/latest/development/testguide.html#running-tests
 %python_exec setup.py build_ext --inplace --offline
@@ -149,7 +164,9 @@ export PYTHONDONTWRITEBYTECODE=1
               -W "ignore:Unknown pytest.mark.openfiles_ignore:pytest.PytestUnknownMarkWarning" \
               --ignore "docs/whatsnew" %{?skippytest}
 }
+%endif
 
+%if !%{with test}
 %post
 for b in %{binaries}; do
   %python_install_alternative $b
@@ -174,5 +191,6 @@ done
 %python_alternative %{_bindir}/wcslint
 %{python_sitearch}/astropy/
 %{python_sitearch}/astropy-%{version}-py*.egg-info
+%endif
 
 %changelog