diff --git a/graphviz.spec b/graphviz.spec
index 8dc48ee..245d585 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -314,6 +314,8 @@ Graphviz plugin for -Tswf (flash) renderer based on ming.
 %package ocaml
 Summary:		Ocaml extension for graphviz
 Requires:		%{name} = %{version}-%{release}, ocaml
+# OCaml packages not built on i686 since OCaml 5 / Fedora 39.
+ExcludeArch:    %{ix86}
 
 %description ocaml
 Ocaml extension for graphviz.