diff --git a/alglib.spec b/alglib.spec
index cba54aa..30eea0b 100644
--- a/alglib.spec
+++ b/alglib.spec
@@ -1,6 +1,6 @@
 Name:           alglib
 Version:        3.8.2
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        A numerical analysis and data processing library
 
 License:        GPLv2+
@@ -12,6 +12,9 @@ Source2:        bsd.txt
 
 BuildRequires:  cmake
 
+# As upstream doesn't support other archs, and package fails to build on secondary archs due test failure
+ExclusiveArch: %{ix86} %{arm} x86_64
+
 %description
 ALGLIB is a cross-platform numerical analysis and data processing library.
 ALGLIB features include:
@@ -89,6 +92,9 @@ popd
 
 
 %changelog
+* Wed Jul 9 2014 Jakub Čajka <jcajka@redhat.com> - 3.8.2-5
+- Made exlusive for primary archs
+
 * Wed Jun 18 2014 Sandro Mani <manisandro@gmail.com> - 3.8.2-4
 - Add missing license tag