diff --git a/unixODBC.spec b/unixODBC.spec
index d22922a..6a3acbc 100644
--- a/unixODBC.spec
+++ b/unixODBC.spec
@@ -1,7 +1,7 @@
 Summary: A complete ODBC driver manager for Linux.
 Name: unixODBC
 Version: 2.2.0
-Release: 5
+Release: 5a
 License: LGPL
 Group: System Environment/Libraries
 Source: http://www.unixODBC.org/%{name}-%{version}.tar.gz
@@ -12,7 +12,7 @@ URL: http://www.unixODBC.org/
 Conflicts: iodbc
 BuildPrereq: kdelibs-devel qt-devel libmng-devel
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
-ExclusiveArch: i386
+ExclusiveArch: i386 s390 s390x
 
 %description
 Install unixODBC if you want to access databases through ODBC. This