yum update for MGC-10.0 fails (10.0.7 -> 10.0.10)

Updating from 10.0.7-galera to 10.0.10-galera fails with the following error :

$ sudo yum update
.. skip ..
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package MariaDB-Galera-server.i686 0:10.0.7-1 will be updated
---> Package MariaDB-Galera-server.i686 0:10.0.10-1.el6 will be an update
--> Finished Dependency Resolution

Dependencies Resolved
.. skip ..
Total download size: 23 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Error in PREIN scriptlet in rpm package MariaDB-Galera-server-10.0.10-1.el6.i686
sed: invalid option – '1'
Usage: sed [OPTION]...

[input-file]...
.. skip ..