diff --git a/ocaml-findlib.spec b/ocaml-findlib.spec
index bdec1fb..1b67815 100644
--- a/ocaml-findlib.spec
+++ b/ocaml-findlib.spec
@@ -1,3 +1,6 @@
+# OCaml packages not built on i686 since OCaml 5 / Fedora 39.
+ExcludeArch: %{ix86}
+
 %ifnarch %{ocaml_native_compiler}
 # Stripping the binary removes its bytecode payload
 %global __strip %{_bindir}/true