diff --git a/calceph.spec b/calceph.spec
index 6bd61b6..c677ec4 100644
--- a/calceph.spec
+++ b/calceph.spec
@@ -7,6 +7,9 @@ License:        CECILL-2.0 OR CECILL-B OR CECILL-C
 URL:            https://www.imcce.fr/inpop/calceph
 Source0:        https://www.imcce.fr/content/medias/recherche/equipes/asd/%{name}/%{name}-%{version}.tar.gz
 
+# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
+ExcludeArch:    %{ix86}
+
 # Documentation build doesn't work anymore because it relies on several
 # sphinx extensions not packaged / not packageable in Fedora
 Obsoletes:      calceph-docs < 4.0.0