diff --git a/python-blosc.spec b/python-blosc.spec
index 4e93d3a..86d6ac3 100644
--- a/python-blosc.spec
+++ b/python-blosc.spec
@@ -9,6 +9,9 @@ Source1:        https://raw.githubusercontent.com/Blosc/python-blosc/f3c5e341a25
 
 Patch:          0001-docs-update-example-for-newer-numpy.patch
 
+# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
+ExcludeArch:    %{ix86}
+
 BuildRequires:  gcc
 BuildRequires:  blosc-devel >= 1.16.0
 BuildRequires:  python%{python3_pkgversion}-devel