diff --git a/kernel.spec b/kernel.spec
index 633129a..0992d30 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -155,8 +155,14 @@
 %endif
 
 # build perf and cpupower tools
+%ifarch %{ix86} %{x86_64}
 %define build_perf		1
 %define build_cpupower		1
+%else
+%define build_perf		0
+%define build_cpupower		0
+%endif
+
 
 # compress modules with xz
 %define build_modxz		1