diff --git a/ocaml-gettext.spec b/ocaml-gettext.spec
index 79be2a3..5bcee86 100644
--- a/ocaml-gettext.spec
+++ b/ocaml-gettext.spec
@@ -1,3 +1,6 @@
+# OCaml packages not built on i686 since OCaml 5 / Fedora 39.
+ExcludeArch: %{ix86}
+
 # Optionally disable camomile dep on RHEL.
 %if !0%{?rhel}
 %bcond_without camomile