diff --git a/ocaml-ocamlgraph.spec b/ocaml-ocamlgraph.spec
index 683f085..212d9f7 100644
--- a/ocaml-ocamlgraph.spec
+++ b/ocaml-ocamlgraph.spec
@@ -6,7 +6,7 @@
 
 Name:           ocaml-ocamlgraph
 Version:        1.8.6
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        OCaml library for arc and node graphs
 
 License:        LGPLv2 with exceptions
@@ -91,8 +91,10 @@ make %{opt_option}
 make doc
 
 %check
+%if %{opt}
 make --no-print-directory check >& test
 diff -u test ocamlgraph-test.result
+%endif
 
 
 %install
@@ -152,6 +154,9 @@ install -m 0755 -p view_graph/viewgraph.byte \
 
 
 %changelog
+* Wed Jul 22 2015 Richard W.M. Jones <rjones@redhat.com> - 1.8.6-4
+- Enable bytecode builds.
+
 * Wed Jun 24 2015 Richard W.M. Jones <rjones@redhat.com> - 1.8.6-3
 - ocaml-4.02.2 final rebuild.