diff --git a/xtensor.spec b/xtensor.spec
index 7e422ee..e170dcf 100644
--- a/xtensor.spec
+++ b/xtensor.spec
@@ -11,6 +11,9 @@ URL:            http://xtensor.readthedocs.io/
 %global github  https://github.com/QuantStack/xtensor
 Source0:        %{github}/archive/%{version}/%{name}-%{version}.tar.gz
 
+# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
+ExcludeArch:    %{ix86}
+
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
 BuildRequires:  gtest-devel