diff --git a/pyparted.spec b/pyparted.spec
index fe36fb1..2487df5 100644
--- a/pyparted.spec
+++ b/pyparted.spec
@@ -1,10 +1,42 @@
-%define with_python3 1
+%if 0%{?rhel}
+%if %{rhel} <= 7
+# disable python3 by default
+%bcond_with python3
+%else
+%bcond_without python3
+%endif
+
+%if %{rhel} > 7
+# disable python2 by default
+%bcond_with python2
+%else
+%bcond_without python2
+%endif
+%endif
+
+%if 0%{?fedora}
+%if %{fedora} < 23
+# disable python3 by default
+%bcond_with python3
+%else
+%bcond_without python3
+%endif
+
+%if %{fedora} > 28
+# disable python2 by default
+%bcond_with python2
+%else
+%bcond_without python2
+%endif
+%endif
+
+%global py2dir python2-build
 
 Summary: Python module for GNU parted
 Name:    pyparted
 Epoch:   1
 Version: 3.11.0
-Release: 13%{?dist}
+Release: 14%{?dist}
 License: GPLv2+
 Group:   System Environment/Libraries
 URL:     https://github.com/rhinstaller/pyparted
@@ -12,22 +44,27 @@ URL:     https://github.com/rhinstaller/pyparted
 Source0: https://github.com/rhinstaller/pyparted/archive/%{name}-%{version}.tar.gz
 
 BuildRequires: gcc
-BuildRequires: python2-devel
-BuildRequires: python2-six
-%if 0%{?with_python3}
-BuildRequires: python3-devel
-BuildRequires: python3-six
-%endif
 BuildRequires: parted-devel >= 3.2-18
 BuildRequires: pkgconfig
 BuildRequires: e2fsprogs
 
+%if %{with python3}
+BuildRequires: python3-devel
+BuildRequires: python3-six
+%endif
+
+%if %{with python2}
+BuildRequires: python2-devel
+BuildRequires: python2-six
+%endif
+
 %global _description\
 Python module for the parted library.  It is used for manipulating\
 partition tables.
 
 %description %_description
 
+%if %{with python2}
 %package -n python2-pyparted
 Summary: %summary
 %{?python_provide:%python_provide python2-pyparted}
@@ -37,8 +74,9 @@ Provides: pyparted%{?_isa} = %{epoch}:%{version}-%{release}
 Obsoletes: pyparted < %{epoch}:%{version}-%{release}
 
 %description -n python2-pyparted %_description
+%endif
 
-%if 0%{?with_python3}
+%if %{with python3}
 %package -n python3-pyparted
 Summary: Python 3 module for GNU parted
 Group:   System Environment/Libraries
@@ -51,46 +89,47 @@ partition tables. This package provides Python 3 bindings for parted.
 %prep
 %setup -q
 
-%if 0%{?with_python3}
-rm -rf %{py3dir}
-cp -a . %{py3dir}
+%if %{with python2}
+rm -rf ../%{py2dir}
+mkdir -p ../%{py2dir}
+cp -a . ../%{py2dir}
+mv ../%{py2dir} .
 %endif
 
 %build
-PYTHON=python2 make %{?_smp_mflags}
-
-%if 0%{?with_python3}
-pushd %{py3dir}
+%if %{with python3}
 PYTHON=python3 make %{?_smp_mflags}
+%endif
+
+%if %{with python2}
+pushd %{py2dir}
+PYTHON=python2 make %{?_smp_mflags}
 popd
 %endif
 
 %check
-PYTHON=python2 make test
-
-%if 0%{?with_python3}
-pushd %{py3dir}
+%if %{with python3}
 PYTHON=python3 make test
+%endif
+
+%if %{with python2}
+pushd %{py2dir}
+PYTHON=python2 make test
 popd
 %endif
 
 %install
-rm -rf %{buildroot}
-PYTHON=python2 make install DESTDIR=%{buildroot}
-
-%if 0%{?with_python3}
-pushd %{py3dir}
+%if %{with python3}
 PYTHON=python3 make install DESTDIR=%{buildroot}
+%endif
+
+%if %{with python2}
+pushd %{py2dir}
+PYTHON=python2 make install DESTDIR=%{buildroot}
 popd
 %endif
 
-%files -n python2-pyparted
-%doc AUTHORS COPYING NEWS README TODO
-%{python2_sitearch}/_ped.so
-%{python2_sitearch}/parted
-%{python2_sitearch}/%{name}-%{version}-*.egg-info
-
-%if 0%{?with_python3}
+%if %{with python3}
 %files -n python3-pyparted
 %doc AUTHORS COPYING NEWS README TODO
 %{python3_sitearch}/_ped.*.so
@@ -98,7 +137,20 @@ popd
 %{python3_sitearch}/%{name}-%{version}-*.egg-info
 %endif
 
+%if %{with python2}
+%files -n python2-pyparted
+%doc AUTHORS COPYING NEWS README TODO
+%{python2_sitearch}/_ped.so
+%{python2_sitearch}/parted
+%{python2_sitearch}/%{name}-%{version}-*.egg-info
+%endif
+
 %changelog
+* Wed Jul 25 2018 David Cantrell <dcantrell@redhat.com> - 1:3.11.0-14
+- Conditionalize python2 and python3 builds to make the SRPM more portable
+  across releases.  On RHEL > 7 and Fedora > 28, do not build for python2.
+  On RHEL <= 7, do not build for python3.
+
 * Tue Jul 24 2018 David Cantrell <dcantrell@redhat.com> - 1:3.11.0-13
 - Use 'python2' when building the Python 2.x bindings (#1605566)
 - BuildRequires gcc (#1605566)