diff --git a/docker.spec b/docker.spec
index 0e07385..072883e 100644
--- a/docker.spec
+++ b/docker.spec
@@ -81,6 +81,7 @@ Requires:       xz >= 4.9
 Conflicts:      lxc < 1.0
 PreReq:         %fillup_prereq
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+ExcludeArch:    %ix86
 
 %description
 Docker complements LXC with a high-level API which operates at the process