diff --git a/sysbench.spec b/sysbench.spec
index 7333210..da7cd24 100644
--- a/sysbench.spec
+++ b/sysbench.spec
@@ -18,6 +18,10 @@ BuildRequires: vim-common
 # Tests
 BuildRequires: /usr/bin/cram
 
+# luajit is needed and is not available for ppc64 and ppc64le.
+# Use the same arches as luajit.
+ExclusiveArch:  %{arm} %{ix86} x86_64 %{mips} aarch64
+
 
 %description
 SysBench is a modular, cross-platform and multi-threaded benchmark
@@ -72,6 +76,7 @@ cd tests
 %changelog
 * Sun Feb 26 2017 Xavier Bachelot <xavier@bachelot.org> 1.0.3-1
 - Update to 1.0.3 (RHBZ#1424670).
+- Restrict arches to the same ones as luajit.
 
 * Sat Feb 25 2017 Xavier Bachelot <xavier@bachelot.org> 1.0.2-2
 - Run test suite.