diff --git a/SPECS/radicale.spec b/SPECS/radicale.spec
index 31d31a1..52a548a 100644
--- a/SPECS/radicale.spec
+++ b/SPECS/radicale.spec
@@ -85,7 +85,7 @@ mkdir SELinux
 cp -p %{SOURCE4} %{SOURCE5} %{SOURCE6} SELinux
 
 %build
-%py3_build
+%{__python3} setup.py build
 cd SELinux
 for selinuxvariant in %{selinux_variants}
 do
@@ -96,7 +96,7 @@ done
 cd -
 
 %install
-%py3_install
+%{__python3} setup.py install --optimize 2 --root %{buildroot}
 
 # Install configuration files
 mkdir -p %{buildroot}%{_sysconfdir}/%{name}/