diff --git a/ocaml-ppx-inline-test.spec b/ocaml-ppx-inline-test.spec
index 4a1177a..f6b23c4 100644
--- a/ocaml-ppx-inline-test.spec
+++ b/ocaml-ppx-inline-test.spec
@@ -1,3 +1,6 @@
+# OCaml packages not built on i686 since OCaml 5 / Fedora 39.
+ExcludeArch: %{ix86}
+
 # This package is needed to build ppx_jane, but its tests require ppx_jane.
 # Break the dependency cycle here.
 %bcond_with test