diff --git a/galera.spec b/galera.spec
index 3fb6ba1..9e98485 100644
--- a/galera.spec
+++ b/galera.spec
@@ -106,6 +106,8 @@ sed -i 's/User=nobody/User=garb/g' %{buildroot}%{_unitdir}/garb.service
 
 %pre
 /usr/sbin/useradd -M -r -d /dev/null -s /sbin/nologin -c "Galera Arbitrator Daemon" garb >/dev/null 2>&1 || :
+# Fixup after upgrading on system before systemd unit rename
+unlink /etc/systemd/system/garb.service || :
 
 %post
 /sbin/ldconfig