diff --git a/adobe-source-libraries.spec b/adobe-source-libraries.spec
index 5959b02..e5fe6d4 100644
--- a/adobe-source-libraries.spec
+++ b/adobe-source-libraries.spec
@@ -1,6 +1,6 @@
 Name:           adobe-source-libraries
 Version:        1.0.43
-Release:        8%{?dist}
+Release:        9%{?dist}
 Summary:        General purpose C++ libraries
 Group:          System Environment/Libraries
                 # License breakdown: http://stlab.adobe.com/licenses.html
@@ -23,6 +23,9 @@ BuildRequires:  doxygen
 BuildRequires:  tbb-devel
 BuildRequires:  texlive-dvips texlive-latex
 
+# needs to match TBB
+ExclusiveArch: %{ix86} x86_64 ia64
+
 %description
 ASL provides peer-reviewed and portable C++ source libraries. The
 libraries are intended to be widely useful, leveraging and extending
@@ -125,6 +128,8 @@ ln -sf $sofile ${sofile%%.*.*.*}
 
 
 %changelog
+* Sun Apr  1 2012  Dan Horák <dan[at]danny.cz>                1.0.43-9
+- set ExclusiveArch to match TBB
 
 * Wed Mar 28 2012  Alec Leamas <leamas@nowhere.net>           1.0.43-8
 - Adding Patch2: Relaxing certain tests to fit bombono-dvd