diff --git a/dbus-python.spec b/dbus-python.spec
index cc23b87..54fa790 100644
--- a/dbus-python.spec
+++ b/dbus-python.spec
@@ -66,18 +66,18 @@ autoreconf -vif
 
 mkdir python2-build; pushd python2-build
 %configure PYTHON=python
-make %{?_smp_mflags}
+%make_build
 popd
 
 mkdir python3-build; pushd python3-build
 %configure PYTHON=python3
-make %{?_smp_mflags}
+%make_build
 popd
 
 
 %install
-make install DESTDIR=$RPM_BUILD_ROOT -C python3-build
-make install DESTDIR=$RPM_BUILD_ROOT -C python2-build
+%make_install -C python2-build
+%make_install -C python3-build
 
 # unpackaged files
 rm -fv  $RPM_BUILD_ROOT%{python2_sitearch}/*.la