diff --git a/smuxi.spec b/smuxi.spec
index c664801..c9663aa 100644
--- a/smuxi.spec
+++ b/smuxi.spec
@@ -1,6 +1,5 @@
 #Available arches for Smuxi
-##Some BuildRequires packages not found
-ExclusiveArch: %ix86 x86_64 ia64 sparcv9 alpha
+ExclusiveArch: %{mono_arches}
 
 %global debug_package %{nil}